167-728: An Ottoman–Bulgarian (or Turco-Bulgarian ) alliance was signed in Sofia on 19 August (6 August O.S. ) 1914 during the opening month of the First World War , although at the time both the signatories were neutral. The Minister of the Interior , Talaat Pasha , and President Halil Bey of the Chamber of Deputies signed the treaty on behalf of the Ottoman Empire (Turkey) and Prime Minister Vasil Radoslavov on behalf of
334-650: A Catholic city—before proceeding to sack Constantinople . In the 13th century, Venice established itself as a leading maritime nation . During much of the 12th and 13th centuries, Venice and the Republic of Genoa were engaged in warfare culminating in the War of Chioggia , ousting the Genoese from the Adriatic. Still, the 1381 Treaty of Turin that ended the war required Venice to renounce claims to Dalmatia, after losing
501-659: A tetrarchic capital of the Roman Empire. In 343 AD, the Council of Sardica was held in the city, in a church located where the current 6th century Church of Saint Sophia was later built. The city was destroyed in the 447 invasion of the Huns and laid in ruins for a century It was rebuilt by Byzantine Emperor Justinian I . During the reign of Justinian it flourished, being surrounded with great fortress walls whose remnants can still be seen today. Serdica became part of
668-607: A centre of Sredets province (Sredetski komitat, Средецки комитат). The Bulgarian patron saint John of Rila was buried in Sredets by orders of Emperor Peter I in the mid 10th century. After the conquest of the Bulgarian capital Preslav by Sviatoslav I of Kyiv and John I Tzimiskes ' armies in 970–971, the Bulgarian Patriarch Damyan chose Sredets for his seat in the next year and the capital of Bulgaria
835-645: A counterclockwise direction, thus bringing clearer waters up the eastern coast and returning increasingly polluted water down the western coast. This circulation has significantly contributed to the biodiversity of the countries along the eastern Adriatic coast; the common bottlenose dolphin is frequent in the eastern coast's waters only, and the Croatian coast provides refuge for the critically endangered monk seal and sea turtles. Recent studies revealed that cetaceans and other marine megafaunas , that were once thought to be vagrants to Adriatic Sea, migrate and live in
1002-529: A few days a year, the worst-case sea level rise scenario between 2050 and 2100 would prompt deployment up to 187 days a year, essentially cutting off the Venetian Lagoon from the Adriatic Sea. Among other possible adverse effects, this can be expected to lower the lagoon's oxygen levels and trap pollution inside of the city. Geophysical and geological information indicate that the Adriatic Sea and
1169-503: A history of nearly 7,000 years, with the great attraction of the hot water springs that still flow abundantly in the centre of the city. The neolithic village in Slatina dating to the 5th–6th millennium BC is documented. Another neolithic settlement was founded in the 3rd–4th millennium BC near the site of the modern National Art Gallery , which has been the traditional centre of the city ever since. The earliest tribes who settled were
1336-591: A major concern in terms of potential environmental impact and damage to tourism and fisheries. It is estimated that if a major oil spill happened, a million people would lose their livelihoods in Croatia alone. An additional risk is presented by oil refineries in the Po River basin where oil spills have occurred before, in addition to accidents occurring in the Adriatic already, so far with no significant environmental consequences. Since 2006, Italy has been considering
1503-465: A national park in 1999. The Lim Canal is a 10-kilometre (6.2 mi) ria of the Pazinčica river. The Kornati national park was established in 1980; it covers approximately 220 square kilometres (85 sq mi), including 89 islands and islets. The marine environment encompasses three-quarters of the total area, while the island shores' combined length equals 238 kilometres (148 mi). Telašćica
1670-611: A new elevation benchmark referring to the upgraded tide gauge station in the coastal town of Koper . The Alps, which also have a large meteorological impact on the Mediterranean, touch the Adriatic in the area around Trieste towards Duino and Barcola . The Adriatic Sea contains more than 1,300 islands and islets , most along the Adriatic's eastern coast—especially in Croatia, with 1,246 counted. The number includes islands, islets, and rocks of all sizes, including ones emerging at ebb tide only. The Croatian islands include
1837-618: A sea surface of 2,227 hectares (5,500 acres) and is adjacent to the Torre Guaceto State Reserve covering 1,114 hectares (2,750 acres) of coast and sharing an 8-kilometre (5.0 mi) coastline with the marine protected area. Furthermore, there are 10 internationally important (Ramsar) wetland reserves in Italy located along the Adriatic coast. There are seven marine protected areas in Croatia: Brijuni and
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#17327651770572004-630: A season. The predominant winter winds are the bora and sirocco (called jugo along the eastern coast). The bora is significantly conditioned by wind gaps in the Dinaric Alps bringing cold and dry continental air; it reaches peak speeds in the areas of Trieste, Senj , and Split , with gusts of up to 180 kilometres per hour (97 kn; 110 mph). The sirocco brings humid and warm air, often carrying Saharan sand causing rain dust . [REDACTED] Bari [REDACTED] Venice [REDACTED] Trieste [REDACTED] Durrës On
2171-495: A series of 79 inflatable pontoons across the sea bed at the three entrances to the Venetian Lagoon . When tides are predicted to rise above 110 centimetres (43 in), the pontoons will be filled with air and block the incoming water from the Adriatic Sea. This engineering work was due to be completed by 2014, but as of November 2020 is expected to be completed in 2021. Implemented for the first time on October 3, 2020,
2338-583: A significant political and economical centre, more so as it became one of the first Roman cities where Christianity was recognised as an official religion (under Galerius ). The Edict of Toleration by Galerius was issued in 311 in Serdica by the Roman emperor Galerius, officially ending the Diocletianic persecution of Christianity. The Edict implicitly granted Christianity the status of " religio licita ",
2505-646: A worship recognised and accepted by the Roman Empire. It was the first edict legalising Christianity, preceding the Edict of Milan by two years. Serdica was the capital of the Diocese of Dacia (337–602). For Constantine the Great it was 'Sardica mea Roma est' (Serdica is my Rome). He considered making Serdica the capital of the Byzantine Empire instead of Constantinople. which was already not dissimilar to
2672-632: A year, reaching its peak in late spring and early summer when thunderstorms are common. The driest recorded year was 2000 with a total precipitation of 304.6 mm (11.99 in), while the wettest year on record was 2014 with a total precipitation of 1,066.6 mm (41.99 in). The geographic position of the Sofia Valley limits the flow of air masses, increasing the chances of air pollution by particulate matter and nitrogen oxide . Solid fuel used for heating and motor vehicle traffic are significant sources of pollutants. Smog thus persists over
2839-476: Is 57 cm (22.4 in) (25 December 2001). The coldest recorded year was 1893 with an average January temperature of −10.4 °C (13 °F) and an annual temperature of 8.2 °C (46.8 °F). Summers are quite warm and sunny. In summer, the city generally remains slightly cooler than other parts of Bulgaria, due to its higher altitude. However, the city is also subject to heat waves with high temperatures reaching or exceeding 35 °C (95 °F) on
3006-492: Is a nature park established on Dugi Otok in 1988. The park covers 69 kilometres (43 mi) of coastline, 22.95 square kilometres (8.86 sq mi) of land and 44.55 square kilometres (17.20 sq mi) of sea. The Bay of Mali Ston is located at the border of Croatia and Bosnia–Herzegovina, north of the Pelješac peninsula. The marine protected area covers 48 square kilometres (19 sq mi). The Lastovo nature park
3173-614: Is also a significant branch of the area's economy—there are 19 seaports in the Adriatic that each handle more than a million tonnes of cargo per year. The largest Adriatic seaport by annual cargo turnover is the Port of Trieste , while the Port of Split is the largest Adriatic seaport by passengers served per year. The origins of the name Adriatic are linked to the Illyrian settlement of Adria , which probably derives its name from Illyrian adur 'water, sea'. In classical antiquity ,
3340-435: Is also a site of international importance for waterbird species. The 429-hectare (1,060-acre) Strunjan Landscape Park was established in 2004 and comprises two nature reserves. It includes a 4 kilometres (2.5 mi) long cliff, the northernmost Mediterranean salt field and the only Slovenian lagoon system. It is also the northernmost point of growth of some Mediterranean plant species. The Škocjan Inlet Nature Reserve
3507-494: Is at the mid-width east of Ancona. The normal tide levels are known to increase significantly in a conducive environment, leading to coastal flooding ; this phenomenon is most famously known in Italy—especially Venice—as acqua alta . Such tides can exceed normal levels by more than 140 centimetres (55 in), with the highest tide level of 194 centimetres (76 in) observed on 4 November 1966. Such flooding
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#17327651770573674-464: Is caused by a combination of factors, including the alignment of the Sun and Moon , meteorological factors such as sirocco related storm surges, and the basin's geometric shape (which amplifies or reduces the astronomical component). Moreover, the Adriatic's long and narrow rectangular shape is the source of an oscillating water motion ( French : seiche ) along the basin's minor axis. Finally, Venice
3841-472: Is geographically divided into the Northern Adriatic, Central (or Middle) Adriatic, and Southern Adriatic. The Adriatic Sea drainage basin encompasses 235,000 square kilometres (91,000 sq mi), yielding a land–sea ratio of 1.8. The drainage basin's mean elevation is 782 metres (2,566 ft) above sea level, with a mean slope of 12.1°. Major rivers discharging into the Adriatic include
4008-552: Is increasingly vulnerable to flooding due to coastal area soil subsidence . Such unusually high tides resulting in flooding have also been observed elsewhere in the Adriatic Sea, and have been recorded in recent years in the towns of Koper , Zadar and Šibenik as well. It is estimated that the Adriatic's entire volume is exchanged through the Strait of Otranto in 3.4±0.4 years, a comparatively short period. (For instance, approximately 500 years are necessary to exchange all
4175-507: Is most typically Central European. After World War II and the establishment of a Communist government in Bulgaria in 1944, the architectural style was substantially altered. Stalinist Gothic public buildings emerged in the centre, notably the spacious government complex around The Largo , Vasil Levski Stadium, the Cyril and Methodius National Library and others. As the city grew outwards,
4342-586: Is presented by ballast water discharge by ships, especially tankers . Still, since most of the cargo handled by the Adriatic ports, and virtually all liquid (tanker) cargo handled by the ports, is coming to—not coming from—the Adriatic Basin, the risk from ballast water (from tankers expelling ballast water then loading in the Adriatic) remains minimal. However, proposed export oil pipelines were objected to specifically because of this issue. Oil spills are
4509-504: Is registered are the duplicate of the Gospel of Serdica, in a dialogue between two salesmen from Dubrovnik around 1359, in the 14th-century Vitosha Charter of Bulgarian tsar Ivan Shishman and in a Ragusan merchant's notes of 1376. In these documents, the city is called Sofia , but, at the same time, the region and the city's inhabitants are still called Sredecheski ( Church Slavonic : срѣдечьскои , "of Sredets"), which continued until
4676-421: Is shallower and closer to land than are oceans. During particularly cold winters, sea ice may appear in the Adriatic's shallow coastal areas, especially in the Venetian Lagoon but also in isolated shallows as far south as Tisno (south of Zadar). The Southern Adriatic is about 8 to 10 °C (14 to 18 °F) warmer during the winter than the more northerly regions. The Adriatic's salinity variation over
4843-845: Is the capital and largest city of Bulgaria . It is situated in the Sofia Valley at the foot of the Vitosha mountain, in the western part of the country. The city is built west of the Iskar river and has many mineral springs, such as the Sofia Central Mineral Baths . It has a humid continental climate . Being in the centre of the Balkans , it is midway between the Black Sea and the Adriatic Sea and closest to
5010-663: Is the most indented Mediterranean coastline. Most of the eastern coast is characterised by a karst topography, developed from the Adriatic Carbonate Platform's exposure to weathering. Karstification there largely began after the Dinarides' final uplift in the Oligocene and the Miocene , when carbonate deposits were exposed to atmospheric effects; this extended to the level of 120 metres (390 ft) below
5177-473: Is threatened by excessive input of nutrients through drainage from agricultural land and wastewater flowing from cities; this includes both along its coast and from rivers draining into the sea—especially from the Po River . Venice is often cited as an example of polluted coastal waters where shipping, transportation, farming, manufacturing and wastewater disposal contribute to polluting the sea. A further risk
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5344-431: The 2012 Pernik earthquake occurred west of Sofia with a moment magnitude of 5.6 and a much lower Mercalli intensity of VI ( Strong ). The 2014 Aegean Sea earthquake was also noticed in the city. Sofia has a humid continental climate ( Köppen climate classification Dfb ; Cfb if with −3 °C isotherm ) with an average annual temperature of 10.9 °C (51.6 °F). Winters are relatively cold and snowy. In
5511-830: The Adriatic Basin 's climate. The Adriatic Sea sits on the Apulian or Adriatic Microplate , which separated from the African Plate in the Mesozoic era . The plate's movement contributed to the formation of the surrounding mountain chains and Apennine tectonic uplift after its collision with the Eurasian Plate . In the Late Oligocene , the Italian Peninsula first formed, separating
5678-726: The Aegean Sea . Known as Serdica in antiquity and Sredets in the Middle Ages , Sofia has been an area of human habitation since at least 7000 BC. The recorded history of the city begins with the attestation of the conquest of Serdica by the Roman Republic in 29 BC from the Celtic tribe Serdi . During the decline of the Roman Empire , the city was raided by Huns , Visigoths , Avars , and Slavs . In 809, Serdica
5845-631: The Apennine Mountains are further away from the shoreline. The coastal water dynamics are determined by the asymmetric coasts and the inflow of the Mediterranean seawater through the Straits of Otranto and further on along the eastern coast. The smooth Italian coast (with very few protrusions and no major islands) allows the Western Adriatic Current to flow smoothly, which is composed of the relatively freshwater mass on
6012-541: The Balkan mountains to the north. The valley has an average altitude of 550 metres (1,800 ft). Sofia is the second highest capital of the European Union (after Madrid ) and the third highest capital of Europe (after Andorra la Vella and Madrid). Unlike most European capitals, Sofia does not straddle any large river, but is surrounded by comparatively high mountains on all sides. Three mountain passes lead to
6179-571: The Black Sea 's water.) This short period is particularly important as the rivers flowing into the Adriatic discharge up to 5,700 cubic metres per second (200,000 cu ft/s). This rate of discharge amounts to 0.5% of the total Adriatic Sea volume, or a 1.3-metre (4 ft 3 in) layer of water each year. The greatest portion of the discharge from any single river comes from the Po (28%), with an average discharge from it alone of 1,569 cubic metres per second (55,400 cu ft/s). In terms of
6346-563: The Bulgarian National Revival . In 1858 Nedelya Petkova created the first Bulgarian school for women in the city. In 1867 was inaugurated the first chitalishte in Sofia – a Bulgarian cultural institution. In 1870 the Bulgarian revolutionary Vasil Levski established a revolutionary committee in the city and in the neighbouring villages. Following his capture in 1873, Vasil Levski was transferred and hanged in Sofia by
6513-1131: The Bulgarian Orthodox Church , was included onto the World Heritage List in 1979. With its cultural significance in Southeast Europe , Sofia is home to the National Opera and Ballet of Bulgaria , the National Palace of Culture , the Vasil Levski National Stadium , the Ivan Vazov National Theatre , the National Archaeological Museum , and the Serdica Amphitheatre . The Museum of Socialist Art includes many sculptures and posters that educate visitors about
6680-767: The First Bulgarian Empire during the reign of Khan Krum in 809, after a long siege . The fall of the strategic city prompted a major and ultimately disastrous invasion of Bulgaria by the Byzantine emperor Nikephoros I , which led to his demise at the hands of the Bulgarian army . In the aftermath of the war, the city was permanently integrated in Bulgaria and became known by the Slavic name of Sredets. It grew into an important fortress and administrative centre under Krum's successor Khan Omurtag , who made it
6847-758: The Habsburg monarchy and the Ottoman Empire . The Napoleonic Wars resulted in the Austrian Empire gaining control of most of the eastern Adriatic shore and the Po Valley, while the Kingdom of Italy gradually took control of the remaining Italian coast during the 19th century. Following the collapse of Austria-Hungary in 1918, control of the eastern coast passed to Yugoslavia and Albania, which agreed on their maritime boundaries with Italy in 1975 and 1992 respectively. After Yugoslavia's dissolution during
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7014-801: The Ionian Sea at the 72-kilometre (45 mi) wide Strait of Otranto . The International Hydrographic Organization (IHO) defines the boundary between the Adriatic and the Ionian seas as a line running from the Butrinto River 's mouth ( latitude 39°44'N) in Albania to the Karagol Cape in Corfu , through this island to the Kephali Cape (these two capes are in latitude 39°45'N), and on to
7181-488: The Karaburun Peninsula where the Adriatic and Ionian Seas meet. The park covers a total of 12,570 hectares (31,100 acres). Two additional marine protection areas are planned in Albania: the Cape of Rodon ( Albanian : Kepi i Rodonit ) and Porto Palermo . In addition, Albania is home to two Ramsar wetland reserves: Karavasta Lagoon , and Butrint . Neither Bosnia–Herzegovina nor Montenegro have or plan to establish any marine protection areas. The Adriatic Sea ecosystem
7348-468: The Kingdom of Bulgaria . The Ottoman–Bulgarian alliance was probably a prerequisite for Bulgaria's joining the Central Powers after Turkey entered the war in November. The treaty of alliance had seven articles. It was a purely defensive pact: it obligated a signatory to go to war only if the other was attacked by another Balkan country. The two powers also agreed not to attack any other Balkan country without first consulting each other. Article IV left open
7515-456: The Late Oligocene , the motion was reversed and the Apennine Mountains' orogeny took place. An unbroken zone of increased seismic activity borders the Adriatic Sea, with a belt of thrust faults generally oriented in the northeast–southwest direction on the east coast and the northeast–southwest normal faults in the Apennines, indicating an Adriatic counterclockwise rotation. An active 200-kilometre (120 mi) fault has been identified to
7682-420: The Lim Canal off the Istria peninsula's coast, near Pula and Rovinj respectively; Kornati and Telašćica in the Middle Adriatic basin, near Zadar ; and Lastovo , Bay of Mali Ston ( Croatian : Malostonski zaljev ) and Mljet in southern Dalmatia. The Brijuni national park encompasses the 743.3-hectare (1,837-acre) archipelago itself and 2,651.7 hectares (6,552 acres) of surrounding sea; it became
7849-447: The Po River delta, where an emporium (trading station) was founded in Adria . Roman economic and military influence in the region began to grow with the creation by 246 BC of a major naval base at Brundisium (now Brindisi ), which was established to bar Carthaginian ships from the Adriatic during the Punic Wars . This led to conflict with the Illyrians , who lived in a collection of semi- Hellenized kingdoms that covered much of
8016-512: The Po Valley are associated with a tectonic microplate —identified as the Apulian or Adriatic Plate —that separated from the African Plate during the Mesozoic era . This separation began in the Middle and Late Triassic , when limestone began to be deposited in the area. Between the Norian and Late Cretaceous , the Adriatic and Apulia Carbonate Platforms formed as a thick series of carbonate sediments ( dolomites and limestones), up to 8,000 metres (26,000 ft) deep. Remnants of
8183-415: The Po Valley , at the Adriatic's north-west coast, and as far west as Piacenza , dating to the Pleistocene as the sea advanced and receded over the valley. An advance began after the Last Glacial Maximum, which brought the Adriatic to a high point at about 5,500 years ago. Since then, the Po delta has been prograding (expanding/extending). The rate of coastal zone progradation between 1000 BC and 1200 AD
8350-419: The Romanian Army entered Vrazhdebna in 1913, then a village 11 kilometres (7 miles) from Sofia, now a suburb, this prompted the Tsardom of Bulgaria to capitulate. During the war, Sofia was flown by the Romanian Air Corps , which engaged on photoreconnaissance operations and threw propaganda pamphlets to the city. Thus, Sofia became the first capital on the world to be overflown by enemy aircraft. During
8517-427: The Santa Maria di Leuca Cape (latitude 39°48'N). It extends 800 kilometres (500 mi) from the northwest to the southeast and is 200 kilometres (120 mi) wide. It covers 138,600 square kilometres (53,500 sq mi) and has a volume of 35,000 cubic kilometres (8,400 cu mi). The Adriatic extends northwest from 40° to 45° 47' north, representing the Mediterranean 's northernmost portion. The sea
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#17327651770578684-404: The Second World War , Bulgaria declared war on the US and UK on 13 December 1941 and in late 1943 and early 1944 the US and UK Air forces conducted bombings over Sofia . As a consequence of the bombings thousands of buildings were destroyed or damaged including the Capital Library and thousands of books. In 1944 Sofia and the rest of Bulgaria was occupied by the Soviet Red Army and within days of
8851-413: The Strait of Otranto (where it connects to the Ionian Sea ) to the northwest and the Po Valley . The countries with coasts on the Adriatic are Albania , Bosnia and Herzegovina , Croatia , Italy , Montenegro , and Slovenia . The Adriatic contains more than 1,300 islands, mostly located along its eastern coast. It is divided into three basins, the northern being the shallowest and the southern being
9018-443: The Thracian Tilataei . In the 500s BC, the area became part of a Thracian state union, the Odrysian kingdom from another Thracian tribe the Odrysses . In 339 BC Philip II of Macedon destroyed and ravaged the town for the first time. The Celtic tribe Serdi gave their name to the city. The earliest mention of the city comes from an Athenian inscription from the 1st century BC, attesting Astiu ton Serdon , i.e. city of
9185-457: The Vatican established the See of Sofia for Catholics of Rumelia , which existed until 1715 when most Catholics had emigrated. There was an important uprising against Ottoman rule in Sofia, Samokov and Western Bulgaria in 1737. Sofia entered a period of economic and political decline in the 17th century, accelerated during the period of anarchy in the Ottoman Balkans of the late 18th and early 19th century, when local Ottoman warlords ravaged
9352-426: The Via Egnatia , a road that by about 130 BC the Romans had extended eastward across the Balkans to Byzantium (later Constantinople , now Istanbul ). This made the sea passage across the Adriatic between Brundisium and Dyrrachium (or Apollonia) a link in the primary route for travelers, trade, and troop movements, between Rome and the East. This route played a major role in some of the military operations that marked
9519-410: The maritime republics , was founded during this period and went on to become a significant maritime power after receiving a Byzantine tax exemption in 1082. The end of the period brought about the Holy Roman Empire 's control over the Kingdom of Italy (which would last until the Peace of Westphalia in 1648), the establishment of an independent Kingdom of Croatia and the Byzantine Empire's return to
9686-410: The 1,200-metre (3,900 ft) deep South Adriatic Pit and the Middle Adriatic basin from the South Adriatic Basin. Further on to the south, the sea floor rises to 780 metres (2,560 ft) to form the Otranto Sill at the boundary to the Ionian Sea. The South Adriatic Basin is similar in many respects to the Northern Ionian Sea, to which it is connected. Transversely, the Adriatic Sea is also asymmetric:
9853-402: The 11th century many Pechenegs were settled down in Sofia region as Byzantine federats. It was once again incorporated into the restored Bulgarian Empire in 1194 at the time of Emperor Ivan Asen I and became a major administrative and cultural centre. Several of the city's governors were members of the Bulgarian imperial family and held the title of sebastokrator , the second highest at
10020-516: The 14th century till the 19th century Sofia was an important administrative center in the Ottoman Empire. It became the capital of the beylerbeylik of Rumelia ( Rumelia Eyalet ), the province that administered the Ottoman lands in Europe (the Balkans ), one of the two together with the beylerbeylik of Anatolia . It was the capital of the important Sanjak of Sofia as well, including the whole of Thrace with Plovdiv and Edirne , and part of Macedonia with Thessaloniki and Skopje . During
10187-418: The 1960s, but the city remains threatened by the acqua alta floods. Recent studies have suggested that the city is no longer sinking, but a state of alert remains in place. In May 2003, then-Prime Minister Silvio Berlusconi inaugurated the MOSE project ( Italian : Modulo Sperimentale Elettromeccanico ), an experimental model for evaluating the performance of inflatable gates. The project proposes laying
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#173276517705710354-437: The 1990s, its four coastal successor states—Slovenia, Croatia, Bosnia and Herzegovina, and Montenegro—continued to recognise the previous maritime border with Italy, but have disputed the borders between themselves. Fisheries and tourism are significant sources of income all along the Adriatic coast. Adriatic Croatia 's tourism industry has grown faster economically than the rest of the Adriatic Basin 's. Maritime transport
10521-439: The 20th century. The Ottomans came to favour the name Sofya ( صوفيه ). In 1879, there was a dispute about what the name of the new Bulgarian capital should be, when the citizens created a committee of famous people, insisting for the Slavic name. Gradually, a compromise arose, officialisation of Sofia for the nationwide institutions, while legitimating the title Sredets for the administrative and church institutions, before
10688-533: The 3rd century, it became the capital of Dacia Aureliana , and when Emperor Diocletian divided the province of Dacia Aureliana into Dacia Ripensis (at the banks of the Danube ) and Dacia Mediterranea , Serdica became the capital of the latter. Serdica's citizens of Thracian descent were referred to as Illyrians probably because it was at some time the capital of Eastern Illyria ( Second Illyria ). Roman emperors Aurelian (215–275) and Galerius (260–311) were born in Serdica. The city expanded and became
10855-557: The 90s and 102,623 between 2000 and 2011. Until 1949, 13,114 buildings were constructed and between 10,000 and 20,000 in each following decade. Sofia's architecture combines a wide range of architectural styles, some of which are aesthetically incompatible. These vary from Christian Roman architecture and medieval Bulgarian fortresses to Neoclassicism and prefabricated Socialist-era apartment blocks, as well as newer glass buildings and international architecture. A number of ancient Roman, Byzantine and medieval Bulgarian buildings are preserved in
11022-488: The Adriatic Basin from the rest of the Mediterranean. The western coast is alluvial or terraced , while the eastern coast is highly indented with pronounced karstification . There are dozens of marine protected areas in the Adriatic, designed to protect the sea's habitats and biodiversity—more than 7,000 species are identified as native to the Adriatic, many of them endemic , rare and threatened ones. The Adriatic's shores are populated by more than 3.5 million people;
11189-428: The Adriatic Sea in Italy alone, also forming alluvial coastlines, including the lagoons of Venice , Grado and Caorle . There are smaller eastern Adriatic alluvial coasts—in the deltas of the Dragonja, Buna and Neretva rivers. The Adriatic Sea is a unique water body in respect of its overall biogeochemical physiognomy. It exports inorganic nutrients and imports particulate organic carbon and nitrogen through
11356-426: The Adriatic Sea's coasts and islands, there are numerous small settlements and a number of larger cities. Among the largest are (counterclockwise) Trieste, Venice, Rimini, Ancona, Pescara and Bari in Italy; Vlorë and Durrës in Albania; Split, Zadar and Rijeka in Croatia; Koper in Slovenia. In total, more than 3.5 million people live on the Adriatic coasts. There are also some larger cities that are located very near
11523-475: The Adriatic Sea. Exclusive economic zones in Adriatic Sea: The Adriatic Sea's average depth is 259.5 metres (851 ft), and its maximum depth is 1,233 metres (4,045 ft); however, the North Adriatic basin rarely exceeds a depth of 100 metres (330 ft). The North Adriatic basin, extending between Venice and Trieste towards a line connecting Ancona and Zadar , is only 15 metres (49 ft) deep at its northwestern end; it gradually deepens towards
11690-493: The Adriatic Sea. The Northern Adriatic's comparatively shallow seabed is characterised by relict sand (from times when the water level was lower and the area was a sandy beach), while a muddy bed is typical at depths below 100 metres (330 ft). There are five geomorphological units in the Adriatic: the Northern Adriatic (up to 100 metres (330 ft) deep); the North Adriatic islands area protected against sediments filling it in by outer islands (pre- Holocene karst relief);
11857-401: The Adriatic Sea. The most common species are Cymodocea nodosa and Zostera noltii , while Zostera marina and Posidonia oceanica are comparatively rare. A number of rare and threatened species are also found along the Adriatic's eastern coast; it is relatively clearer and less polluted than the western Adriatic coast—in part because the sea currents flow through the Adriatic in
12024-467: The Adriatic Sea. These are particularly due to or dependent upon the karst morphology of the coastal or submarine topography; this includes inhabiting subterranean habitats, karst rivers, and areas around freshwater springs. There are 45 known subspecies endemic to the Adriatic's coasts and islands. In the Adriatic, there are at least 410 species and subspecies of fish, representing approximately 70% of Mediterranean taxa, with at least 7 species endemic to
12191-583: The Adriatic for a few centuries. The last part of the period saw the rise of the Carolingian Empire and then the Frankish Kingdom of Italy , which controlled the Adriatic Sea's western coast, while Byzantine Dalmatia on the east coast gradually shrunk into Dalmatian city-states following the Avar and Croatian invasions starting in the 7th century. The Republic of Venice , one of
12358-430: The Adriatic is solid waste. Drifting waste—occasionally relatively large quantities of material, especially waste plastic—is transported northwest by the sirocco. Air pollution in the Adriatic Basin is associated with the large industrial centres in the Po River valley and the large industrial cities along the coast. Italy and Yugoslavia established a joint commission to protect the Adriatic Sea from pollution in 1977;
12525-716: The Adriatic's coasts were ruled by Ostrogoths , Lombards and the Byzantine Empire . The Ostrogothic Kingdom ruled Italy following the fall of the Western Roman Empire in 476 AD. However, during the reign of Justinian the Byzantine Empire sent an army under the general Belisarius to regain control of Italy, resulting in the Gothic War (535–554) . The Byzantines established the Exarchate of Ravenna and by 553 AD their viceroy (Exarch) ruled almost
12692-437: The Adriatic. Sixty-four known species are threatened with extinction, largely because of overfishing. Only a small fraction of the fish found in the Adriatic are attributed to recent processes such as Lessepsian migration , and escape from mariculture . The biodiversity of the Adriatic is relatively high, and several marine protected areas have been established by countries along its coasts. In Italy, these are Miramare in
12859-633: The Apennine peninsular coast is relatively smooth with very few islands and the Mount Conero and Gargano promontories as the only significant protrusions into the sea; in contrast, the Balkan peninsular coast is rugged with numerous islands, especially in Croatia. The coast's ruggedness is exacerbated by the Dinaric Alps ' proximity to the coast, in contrast to the opposite (Italian) coast where
13026-495: The Balkan Mountains, passing between the eastern city suburbs, next to the main building and below the runways of Sofia Airport , and flows out of the Sofia Valley at the town of Novi Iskar , where the scenic Iskar Gorge begins. The city is known for its 49 mineral and thermal springs. Artificial and dam lakes were built in the twentieth century. While the 1818 and 1858 earthquakes were intense and destructive,
13193-744: The Balkans and controlled the eastern shore of the sea, resulting in the Illyrian Wars from 229 to 168 BC. The initial Roman intervention in 229 BC, motivated in part by a desire to suppress Illyrian piracy in the Adriatic, marked the first time that the Roman navy crossed that sea to launch a military campaign. Those wars ended with the eastern shore becoming a province of the Roman Republic. However, resistance to Roman rule continued sporadically and Rome did not completely consolidate control of
13360-903: The EU norm of 50 μg/m . Even areas with few sources of air pollution, like Gorna Banya , had PM2.5 and PM10 levels above safe thresholds. In response to hazardous spikes in air pollution, the Municipal Council implemented a variety of measures in January 2018, like more frequent washing of streets. However, a report by the European Court of Auditors issued in September 2018 revealed that Sofia has not drafted any projects to reduce air pollution from heating. The report also noted that no industrial pollution monitoring stations operate in Sofia, even though industrial facilities are active in
13527-685: The Gulf of Trieste (in the Northern Adriatic), Torre del Cerrano and Tremiti Islands in the Middle Adriatic basin and Torre Guaceto in southern Apulia. The Miramare protected area was established in 1986 and covers 30 hectares (74 acres) of coast and 90 hectares (220 acres) of sea. The area encompasses 1.8 kilometres (1.1 mi) of coastline near the Miramare promontory in the Gulf of Trieste. The Torre del Cerrano protected area
13694-570: The Gulf of Trieste coast, especially along Slovenia's coast where the 80-metre (260 ft) Strunjan cliff —the highest cliff on the entire Adriatic and the only one of its type on the eastern Adriatic coast—is located, on the Kvarner Gulf coast opposite Krk, and in Dalmatia north of Split. Rocks of the same type are found in Albania and on the western Adriatic coast. There are alternations of maritime and alluvial sediments occurring in
13861-721: The Middle Adriatic islands area (large Dalmatian islands); the Middle Adriatic (characterized by the Middle Adriatic Depression); and the Southern Adriatic consisting of a coastal shelf and the Southern Adriatic Depression. Sediments deposited in the Adriatic Sea today generally come from the northwest coast, being carried by the Po, Reno , Adige , Brenta , Tagliamento , Piave and Soča rivers. The volume of sediments carried from
14028-624: The Muslim population left Sofia. For a few decades after the liberation, Sofia experienced large population growth, mainly by migration from other regions of the Principality (Kingdom since 1908) of Bulgaria, and from the still Ottoman Macedonia and Thrace . In 1900, the first electric lightbulb in the city was turned on. In the Second Balkan War , Bulgaria was fighting alone practically all of its neighbouring countries. When
14195-560: The Northern Adriatic, the Central Adriatic, and the Southern Adriatic. The unique nature of the Adriatic gives rise to an abundance of endemic flora and fauna. The Croatian National Biodiversity Strategy Action Plan identified more than 7,000 animal and plant species in the Adriatic Sea. The Central Adriatic is especially abundant in endemic plant species, with 535 identified species of green , brown and red algae . Four out of five Mediterranean seagrass species are found in
14362-532: The Northern Adriatic, the coast of the Gulf of Trieste and western Istria is gradually subsiding, having sunk about 1.5 metres (4 ft 11 in) in the past two thousand years. In the Middle Adriatic Basin, there is evidence of Permian volcanism in the area of Komiža on the island of Vis and the volcanic islands of Jabuka and Brusnik . Earthquakes have been observed in the region since
14529-738: The Ottoman Empire's key province in Europe. Bulgarian rule was restored in 1878. Sofia was selected as the capital of the Third Bulgarian State in the next year, ushering a period of intense demographic and economic growth. Sofia is the 14th-largest city in the European Union . It is surrounded by mountainsides, such as Vitosha by the southern side, Lyulin by the western side, and the Balkan Mountains by
14696-653: The Ottomans. During the Russo-Turkish War of 1877–78 , Suleiman Pasha threatened to burn the city in defence, but the foreign diplomats Leandre Legay, Vito Positano , Rabbi Gabriel Almosnino and Josef Valdhart refused to leave the city thus saving it. Many Bulgarian residents of Sofia armed themselves and sided with the Russian forces. Sofia was relieved (see Battle of Sofia ) from Ottoman rule by Russian forces under Gen. Iosif Gurko on 4 January 1878. It
14863-535: The Po, Soča , Krka , Neretva , Drin , Buna , and Vjosë . In the late 19th century, Austria-Hungary established a geodetic network with an elevation benchmark using the average Adriatic Sea level at the Sartorio pier in Trieste , Italy . The benchmark was subsequently retained by Austria , adopted by Yugoslavia , and retained by the states that emerged after its dissolution . In 2016, Slovenia adopted
15030-587: The Serdi. According to the inscription and to the writings of Dio Cassius , the Roman general Crassus subdued the Serdi and behanded the captives. Dio Cassius, Pliny the Elder and Ptolemy say that in 27–29 BC Crassus attacked the region "Segetike", which is assumed to be Serdica, or the city of the Serdi. The ancient city is located between TZUM , Sheraton Hotel and the Presidency. It gradually became
15197-565: The Soviet invasion Bulgaria declared war on Nazi Germany. In 1945, the communist Fatherland Front took power. The transformations of Bulgaria into the People's Republic of Bulgaria in 1946 and into the Republic of Bulgaria in 1990 marked significant changes in the city's appearance. The population of Sofia expanded rapidly due to migration from rural regions. New residential areas were built in
15364-636: The Strait of Otranto—acting as a mineralization site. The exchange of the substances is made more complex by bathymetry of the Adriatic Sea—75% of water flowing north through the strait recirculates at the Palagruža Sill and North Adriatic adds no more than 3–4% of water to the South Adriatic. This is reflected in its biogeography and ecology , and particularly in the composition and properties of its ecosystems . Its main biogeographic units are
15531-515: The annual total discharge into the entire Mediterranean Sea, the Po is ranked second, followed by the Neretva and Drin , which rank as third and fourth. Another significant contributor of freshwater to the Adriatic is the submarine groundwater discharge through submarine springs ( Croatian : vrulja ); it is estimated to comprise 29% of the total water flux into the Adriatic. The submarine springs include thermal springs , discovered offshore near
15698-444: The barriers are made to seal off three inlets that lead to the Venetian Lagoon and counteract floods of up to ten feet; in addition to protecting the city from flooding, the barrier system is also intended to stabilize Venice's water levels so as to minimize erosion of the brick walls and, subsequently, the foundations of various buildings in the city. However, concern has been raised regarding the frequency of its use—while only necessary
15865-521: The boundary between the Adriatic and Ionian seas at various places ranging from adjacent to the Gulf of Venice to the southern tip of the Peloponnese , eastern shores of Sicily and western shores of Crete . Mare Superum on the other hand normally encompassed both the modern Adriatic Sea and the sea off the Apennine peninsula's southern coast, as far as the Strait of Sicily . Another name used in
16032-488: The campaign moved inland. Marc Antony and Octavian (later Augustus) crossed the Adriatic to Dyrrachium with their armies in their campaign against two of Caesar's assassins, Brutus and Cassius , that culminated in the Battle of Philippi . Brundisium and Dyrrachium remained important ports well after the Roman period, but an earthquake in the 3rd century AD changed the path of a river causing Apollonia's harbor to silt up, and
16199-522: The centre of the city. These include the 4th century Rotunda of St. George , the walls of the Serdica fortress and the partially preserved Amphitheatre of Serdica . After the Liberation War, knyaz Alexander Battenberg invited architects from Austria-Hungary to shape the new capital's architectural appearance. Among the architects invited to work in Bulgaria were Friedrich Grünanger , Adolf Václav Kolář, and Viktor Rumpelmayer , who designed
16366-504: The city as temperature inversions and the mountains surrounding the city prevent the circulation of air masses. As a result, air pollution levels in Sofia are some of the highest in Europe. Particulate matter concentrations are consistently above the norm. During the October 2017 – March 2018 heating season, particulate levels exceeded the norm on 70 occasions; on 7 January 2018, PM10 levels reached 632 μg/m , some twelve times
16533-614: The city to decline. Another city on the Italian coast of the Adriatic that increased in importance during the Roman era was Ravenna . During the reign of Augustus, it became a major naval base as part of his program to re-organize the Roman navy to better protect commerce in the Mediterranean. During the 4th century AD the emperors of the Western Roman Empire had moved their official residence north from Rome to Mediolanum (now Milan ) in order to be better able to control
16700-672: The city's earliest name, first appeared on paper in an 11th-century text. The city was called Atralisa by the Arab traveller Idrisi and Strelisa , Stralitsa , or Stralitsion by the Crusaders . The name Sofia comes from the Saint Sofia Church , as opposed to the prevailing Slavic origin of Bulgarian cities and towns . The origin is in the Greek word sophía ( σοφία , "wisdom"). The earliest works where this latest name
16867-528: The city, which have been key roads since antiquity, Vitosha being the watershed between Black and Aegean Seas . A number of shallow rivers cross the city, including the Boyanska , Vladayska and Perlovska . The Iskar River in its upper course flows near eastern Sofia. It takes its source in Rila , Bulgaria's highest mountain, and enters Sofia Valley near the village of German . The Iskar flows north toward
17034-414: The city. A monitoring station on Eagles' Bridge, where some of the highest particulate matter values were measured, was moved away from the location and has measured sharply lower values since then. Particulates are now largely measured by a network of 300 sensors maintained by volunteers since 2017. The European Commission has taken Bulgaria to court over its failure to curb air pollution. The area has
17201-489: The coast, such as the Italian cities of Ravenna and Lecce . Venice , which was originally built on islands off the coast, is most at risk due to subsidence, but the threat is present in the Po delta as well. The causes are a decrease in sedimentation rate due to loss of sediment behind dams, the deliberate excavation of sand for industrial purposes, agricultural use of water, and removal of ground water. The sinking of Venice slowed after artesian wells were banned in
17368-400: The coldest days temperatures can drop below −15 °C (5 °F), most notably in January. The lowest recorded temperature is −31.2 °C (−24 °F) (16 January 1893). On average, Sofia receives a total snowfall of 98 cm (38.6 in) and 56 days with snow cover. The snowiest recorded winter was 1939/1940 with a total snowfall of 169 cm (66.5 in). The record snow depth
17535-478: The construction of an offshore and an onshore LNG terminal in the Gulf of Trieste , as well as a pipeline, in the immediate vicinity of the Slovenian–Italian border. The Slovenian government and municipalities, the municipal council of Trieste, and non-governmental organisations have voiced concern over their environmental hazards, effect on transport and effect on tourism. Another source of pollution of
17702-518: The control of a substantial part of the eastern Adriatic coast by the Kingdom of Hungary after a personal union was established between Croatia and Hungary in 1102. In this period, the Republic of Venice began to expand its territory and influence. In 1202, the Fourth Crusade was diverted to conquer Zadar at the behest of the Venetians—the first instance of a Crusader force attacking
17869-487: The country territory. The metropolitan area of Sofia is based upon one hour of car travel time, stretches internationally and includes Dimitrovgrad in Serbia. The metropolitan region of Sofia is inhabited by a population of 1.66 million. For a long time, the city possessed a Thracian name, Serdica ( Ancient Greek : Σερδικη , Serdikē , or Σαρδικη , Sardikē ; Latin : Serdica or Sardica ), derived from
18036-585: The countryside. 1831 Ottoman population statistics show that 42% of the Christians were non-taxpayers in the kaza of Sofia and the amount of middle-class and poor Christians were equal. Since the 18th century the beylerbeys of Rumelia often stayed in Bitola , which became the official capital of the province in 1826. Sofia remained the seat of a sanjak (district). By the 19th century the Bulgarian population had two schools and seven churches, contributing to
18203-551: The deepest, with a maximum depth of 1,233 metres (4,045 ft). The prevailing currents flow counterclockwise from the Strait of Otranto. Tidal movements in the Adriatic are slight, although larger amplitudes occur occasionally. The Adriatic's salinity is lower than the Mediterranean's because it collects a third of the fresh water flowing into the Mediterranean, acting as a dilution basin . The surface water temperatures generally range from 30 °C (86 °F) in summer to 12 °C (54 °F) in winter, significantly moderating
18370-480: The earliest historical records. A recent strong earthquake in the region was the 1979 Montenegro earthquake , measuring 7.0 on the Richter scale . Historical earthquakes in the area include the 1627 Gargano peninsula and the 1667 Dubrovnik earthquakes, both followed by strong tsunamis. In the last 600 years, fifteen tsunamis have occurred in the Adriatic Sea. All types of seafloor sediments are found in
18537-636: The eastern Adriatic coast, related to the Cardium pottery culture. During classical antiquity, Illyrians inhabited the eastern coast, and the western coast was inhabited by the peoples of Ancient Italy , mainly Etruscans , before the Roman Republic 's rise. Greek colonisation of the Adriatic dates back to the 7th and 6th centuries BC when the ancient cities of Epidamnos and Apollonia were founded. The Greeks soon expanded further north establishing several cities, including Ancona , Black Corcyra , Epidaurus , Issa , with trade established as far north as
18704-534: The eastern shore by the Rječina , Zrmanja , Krka, Cetina , Ombla , Dragonja , Mirna , Raša and Neretva rivers is negligible, because these sediments are mostly deposited at the river mouths. The Adriatic's western shores are largely either alluvial or terraced , whereas the eastern shores are predominantly rocky, except for the southernmost part of the shore located in Albania that consists of sandy coves and rocky capes. The eastern Adriatic shore's Croatian part
18871-600: The end of the Roman Republic and the start of the imperial period . Sulla used it during the First Mithridatic War . During Caesar's Civil War , there was a three-month delay in Caesar's Balkan campaign against Pompey caused when winter storms on the Adriatic and a naval blockade held up Mark Antony from reaching him from Brundisium with reinforcements; after the reinforcements finally arrived Caesar made an unsuccessful attempt to capture Dyrrachium before
19038-587: The entire Italian peninsula from that city. In 568 AD the Lombards invaded northern Italy, and over the course of the next century or so the importance of the Exarchate declined as the territory under Lombard control expanded and as the Byzantine outpost of Venice became increasingly independent. In 752 AD the Lombards overthrew the Exarchate, ending the influence of the Byzantine Empire on the western shore of
19205-701: The former are found in the Adriatic Sea, as well as in the southern Alps and the Dinaric Alps , and remnants of the latter are seen as the Gargano Promontory and the Maiella mountain. In the Eocene and early Oligocene , the plate moved north and north-east, contributing to the Alpine orogeny (along with the African and Eurasian Plates ' movements) via the tectonic uplift of the Dinarides and Alps. In
19372-603: The former being intermittent and the latter permanent. The SAG measures 150 kilometres (93 miles) in diameter. It contributes to the flow of bottom water from the Adriatic to the Levantine Basin through the Ionian Sea. Through that process, the Adriatic Sea produces most of the East Mediterranean deep water. The Adriatic's surface temperature usually ranges from 22 to 30 °C (72 to 86 °F) in
19539-408: The general European war. Although shrouded in secrecy like the treaty with Germany negotiated by Minister of War Enver Pasha on 2 August, the Bulgarian treaty was a more coherent and purposeful document. After the signing, the Ottomans continued to press for an expanded offensive alliance directed at Russia , but to no avail. On 22 August (9 August O.S.) , Grand Vizier Sait Halim rejected
19706-536: The hottest days, particularly in July and August. The highest recorded temperature is 40.2 °C (104 °F) (5 July 2000). The hottest recorded month was July 2012 with an average temperature of 24.8 °C (77 °F). The warmest year on record was 2023 with an annual temperature of 12.1 °C (54 °F). Springs and autumns in Sofia are usually short with variable and dynamic weather. The city receives an average precipitation of 625.7 mm (24.63 in)
19873-523: The initial stages of the Crusade of Varna in 1443, it was occupied by Hungarian forces for a short time in 1443, and the Bulgarian population celebrated a mass Saint Sofia Church . Following the defeat of the crusader forces in 1444, the city's Christians faced persecution. In 1530 Sofia became the capital of the Ottoman province (beylerbeylik) of Rumelia for about three centuries. During that time Sofia
20040-478: The interpretation of the Ottoman–German alliance whereby Turkey was bound to go to war when Germany did. He ordered the government ministers to pursue negotiations in different directions: with Romania, Russia, Greece and France. When negotiations for an anti-Russian alliance with Romania also failed, on 30 August the Ottomans suggested to their German allies that a Bulgarian alliance directed at Serbia and Greece
20207-417: The largest bedesten (market) of the Balkans. Additionally, there were fountains and hammams (bathhouses). Most prominent churches such as Saint Sofia and Saint George were converted into mosques, and a number of new ones were constructed, including Banya Bashi Mosque built by the renowned Ottoman architect Mimar Sinan . In total there were 11 big and over 100 small mosques by the 17th century. In 1610
20374-482: The largest cities are Bari , Venice , Trieste and Split . Early settlements on the Adriatic shores were Etruscan , Illyrian , and Greek . By the 2nd century BC, the region was under Rome 's control. In the Middle Ages , the Adriatic shores and the sea itself were controlled, to a varying extent, by a series of states—most notably the Byzantine Empire , the Croatian Kingdom , the Republic of Venice ,
20541-523: The largest— Cres and Krk , each covering about the same area of 405.78 square kilometres (156.67 sq mi)—and the tallest— Brač , whose peak reaches 780 metres (2,560 ft) above sea level. The islands of Cres and the adjacent Lošinj are separated only by a narrow navigable canal dug in the time of classical antiquity ; the original single island was known to the Greeks as Apsyrtides . The Croatian islands include 47 permanently inhabited ones ,
20708-423: The last mention was in the 19th century in a Bulgarian text ( Сардакіи , Sardaki ). Other names given to Sofia, such as Serdonpolis ( Byzantine ‹See Tfd› Greek : Σερδών πόλις , "City of the Serdi") and Triaditza ( Τριάδιτζα , "Trinity"), were mentioned by Byzantine Greek sources or coins. The Slavic name Sredets ( Church Slavonic : Срѣдецъ ), which is related to "middle" ( среда , "sreda") and to
20875-401: The latter was abandoned through the years. Sofia City Province has an area of 1344 km , while the surrounding and much bigger Sofia Province is 7,059 km . Sofia's development as a significant settlement owes much to its central position in the Balkans . It is situated in western Bulgaria, at the northern foot of the Vitosha mountain, in the Sofia Valley that is surrounded by
21042-768: The lifestyle in communist Bulgaria . The population of Sofia declined from 70,000 in the late 18th century, through 19,000 in 1870, to 11,649 in 1878, after which it began increasing. Sofia hosts some 1.28 million residents within a territory of 500 km , a concentration of 17.9% of the country population within the 200th percentile of the country territory. The urban area of Sofia hosts some 1.54 million residents within 5723 km , which comprises Sofia City Province and parts of Sofia Province ( Dragoman , Slivnitsa , Kostinbrod , Bozhurishte , Svoge , Elin Pelin , Gorna Malina , Ihtiman , Kostenets ) and Pernik Province ( Pernik , Radomir ), representing 5.16% of
21209-508: The locals in the upper Adriatic for thousands of years. The very large schools consisted mainly of little tunny and moved as far as the Gulf of Trieste . However, increasing fishing prevented the migration of large schools of fish to the north. The last major tuna catch was made there in 1954 by the fishermen from Santa Croce, Contovello and Barcola . The Northern Adriatic in particular is rich in endemic fish fauna. Around thirty species of fish are found in only one or two countries bordering
21376-593: The marine and coastal protected nature areas are the Sečovlje Salina Landscape Park , Strunjan Landscape Park , Škocjan Inlet Nature Reserve , and the Debeli Rtič , Cape Madona and Lakes in Fiesa natural monuments. The Sečovlje Salina Landscape Park was established in 1990, covers 721 hectares (1,780 acres), and includes four nature reserves . In 1993, the area was designated a Ramsar site; it
21543-425: The military frontier with the Germanic tribes. In 402 AD, during a period of repeated Germanic invasions of Italy, the capital was shifted to Ravenna because nearby marshes made it more defensible, and the Adriatic provided an easy escape path by sea. When the Western Empire fell in 476 AD Ravenna became the capital of the Ostrogothic Kingdom of Italy. In the Early Middle Ages , after the Roman Empire's decline ,
21710-462: The most important Roman city of the region. It became a municipium during the reign of Emperor Trajan (98–117). Serdica expanded, as turrets , protective walls, public baths , administrative and cult buildings, a civic basilica , an amphitheatre , a circus, the City council (Boulé), a large forum, a big circus (theatre), etc. were built. Serdica was a significant city on the Roman road Via Militaris , connecting Singidunum and Byzantium . In
21877-414: The most important public buildings needed by the newly re-established Bulgarian government, as well as numerous houses for the country's elite. Later, many foreign-educated Bulgarian architects also contributed. The architecture of Sofia's centre is thus a combination of Neo-Baroque , Neo- Rococo , Neo-Renaissance and Neoclassicism , with the Vienna Secession also later playing an important part, but it
22044-441: The most populous among them being Krk, Korčula and Brač. The islands along the Adriatic's western (Italian) coast are smaller and less numerous than those along the opposite coast; the best-known ones are the 117 islands on which the city of Venice is built. The northern shore of the Greek island of Corfu also lies in the Adriatic Sea as defined by the IHO. The IHO boundary places the Diapontia Islands (northwest of Corfu) in
22211-517: The north, which makes it the third highest European capital after Andorra la Vella and Madrid . Being Bulgaria's primary city, Sofia is home of many of the major local universities, cultural institutions and commercial companies. The city has been described as the "triangle of religious tolerance". This is because three temples of three major world religions— Christianity , Islam and Judaism —are situated close together: Sveta Nedelya Church , Banya Bashi Mosque and Sofia Synagogue . This triangle
22378-444: The northern part of the eastern shore; Istria contained the important Roman colony at Pula and was incorporated into the province of Italy . During the Roman period, Brundisium, on the western shore, and Apollonia and Dyrrachium (originally called Epidamnos, now Durrës in Albania) on the eastern shore became important ports. Brundisium was linked by the Via Appia road to the city of Rome, and Dyrrachium and Apollonia were both on
22545-407: The northwest of Dubrovnik, adding to the Dalmatian islands as the Eurasian Plate slides over the Adriatic microplate. Furthermore, the fault causes the Apennine peninsula's southern tip to move towards the opposite shore by about 0.4 centimetres (0.16 in) per year. If this movement continues, the seafloor will be completely consumed and the Adriatic Sea closed off in 50–70 million years. In
22712-451: The organization later changed with Slovenia, Croatia and Montenegro replacing Yugoslavia. Future pollution hazards are addressed and pollution hotspots are assessed not only by nations in the basin but also through regional projects with World Bank support. 27 such hotspots have been determined as of 2011, 6 warranting an urgent response. Settlements along the Adriatic dating to between 6100 and 5900 BC appear in Albania and Dalmatia on
22879-594: The outskirts of the city, like Druzhba, Mladost and Lyulin. During the Communist Party rule, a number of the city's most emblematic streets and squares were renamed for ideological reasons, with the original names restored after 1989. The Georgi Dimitrov Mausoleum , where Dimitrov's body had been preserved in a similar way to the Lenin mausoleum , was demolished in 1999. In Sofia there are 607,473 dwellings and 101,696 buildings. According to modern records, 39,551 dwellings were constructed until 1949, 119,943 between 1950 and 1969, 287,191 between 1970 and 1989, 57,916 in
23046-405: The period was Mare Dalmaticum , applied to waters off the coast of Dalmatia or Illyricum . During the early modern period , the entire sea was also known as the Gulf of Venice ( Italian : golfo di Venezia ), although that name is now informally applied only to the northern area of the sea, from Maestra Point in the Po Delta to Cape Kamenjak on the Istrian Peninsula . The names for
23213-400: The possibility of Ottoman troops traversing Bulgarian soil to attack another power. In the event of a conflict without prior consultation they pledged neutrality. Bulgaria promised to notify Turkey of any mobilisation on its part, and in Article V Turkey agreed to negotiate an affirmation of the neutrality of Romania . Furthermore, the treaty was to be kept secret and to last for the duration of
23380-422: The present sea level, exposed during the Last Glacial Maximum . It is estimated that some karst formations are from earlier sea level drops, most notably the Messinian salinity crisis . Similarly, karst developed in Apulia from the Apulian Carbonate Platform. The largest part of the eastern coast consists of carbonate rocks, while flysch (a particular type of sedimentary rock) is significantly represented in
23547-414: The region until Augustus 's general Tiberius put down the Great Illyrian Revolt , a bitter struggle waged from 6 to 9 AD. Following the repression of the revolt the Roman province of Illyricum was split into Dalmatia and Pannonia . Most of the eastern shore of the Adriatic was part of Dalmatia, except for the southernmost portion, part of the province of Macedonia , and the peninsula of Istria on
23714-446: The sea in the languages of the surrounding countries include Albanian : Deti Adriatik ; Emilian : Mèr Adriatic ; Friulian : Mâr Adriatic ; Greek : Αδριατική θάλασσα , romanized : Adriatikí thálassa ; Istro Romanian : Marea Adriatică ; Italian : Mare Adriatico ; Serbo-Croatian : Jadransko more , Јадранско море; Slovene : Jadransko morje ; Venetian : Mar Adriàtico . In Serbo-Croatian and Slovene,
23881-411: The sea is often referred to as simply Jadran . The Adriatic Sea is a semi-enclosed sea, bordered in the southwest by the Apennine or Italian Peninsula , in the northwest by the Italian regions of Veneto and Friuli-Venezia Giulia , and in the northeast by Slovenia , Croatia , Bosnia and Herzegovina , Montenegro , and Albania —the Balkan peninsula . In the southeast, the Adriatic Sea connects to
24048-421: The sea was known as Mare Adriaticum ( Mare Hadriaticum , also sometimes simplified to Adria ) or, less frequently, as Mare Superum '[the] upper sea'. The two terms were not synonymous, however. Mare Adriaticum generally corresponds to the Adriatic Sea's extent, spanning from the Gulf of Venice to the Strait of Otranto. That boundary became more consistently defined by Roman authors—early Greek sources place
24215-541: The semi-closed sea on larger scales. Largest of these live normally is the fin whale , and sperm whale , the largest of toothed whales also migrate but less common than fin whales, followed by Cuvier's beaked whales . Basking sharks and manta rays are some of migrant species to the sea. Historical presences of depleted or extinct species such as North Atlantic right whales (extinct or functionally extinct), Atlantic gray whales (extinct), and humpback whales have been speculated as well. Tuna has been caught by
24382-410: The southeast. It is the largest Mediterranean shelf and is simultaneously a dilution basin and a site of bottom water formation. The Middle Adriatic basin is south of the Ancona–Zadar line, with the 270-metre (890 ft) deep Middle Adriatic Pit (also called the Pomo Depression or the Jabuka Pit). The 170-metre (560 ft) deep Palagruža Sill is south of the Middle Adriatic Pit, separating it from
24549-435: The southern Apennine peninsula. In addition, the Papal States were carved out in the area around Rome and central Italy in the 8th century. The High Middle Ages in the Adriatic Sea basin saw further territorial changes, including the Norman conquest of southern Italy ending the Byzantine presence on the Apennine peninsula in the 11th and 12th centuries (the territory would become the Kingdom of Naples in 1282) and
24716-406: The summer, or 12 to 14 °C (54 to 57 °F) in the winter, except along the western Adriatic coast's northern part, where it drops to 9 °C (48 °F) in the winter. The distinct seasonal temperature variations, with a longitudinal gradient in the Northern and transversal gradient in the Middle and Southern Adriatic, are attributed to the continental characteristics of the Adriatic Sea: it
24883-478: The surface and the cold and dense water mass at the bottom. The coastal currents on the opposite shore are far more complex owing to the jagged shoreline, several large islands and the proximity of the Dinaric Alps to the shore. The last produces significant temperature variations between the sea and the hinterland, which leads to the creation of local jets. The tidal movement is normally slight, usually remaining below 30 centimetres (12 in). The amphidromic point
25050-405: The then-new neighbourhoods were dominated by many concrete tower blocks , prefabricated panel apartment buildings and examples of Brutalist architecture . Adriatic Sea The Adriatic Sea ( / ˌ eɪ d r i ˈ æ t ɪ k / ) is a body of water separating the Italian Peninsula from the Balkan Peninsula . The Adriatic is the northernmost arm of the Mediterranean Sea , extending from
25217-484: The time, after the tsar . Some known holders of the title were Kaloyan , Peter and their relative Aleksandar Asen (d. after 1232), a son of Ivan Asen I of Bulgaria ( r. 1189–1196 ). In the 13th and 14th centuries Sredets was an important spiritual and literary hub with a cluster of 14 monasteries in its vicinity, that were eventually destroyed by the Ottomans. The city produced multicolored sgraffito ceramics, jewelry and ironware. In 1382/1383 or 1385, Sredets
25384-469: The town of Izola . The thermal spring water is rich with hydrogen sulfide , has a temperature of 22 to 29.6 °C (71.6 to 85.3 °F), and has enabled the development of specific ecosystems. The inflow of freshwater, representing a third of the freshwater volume flowing into the Mediterranean, makes the Adriatic a dilution basin for the Mediterranean Sea. The Middle and South Adriatic Gyres (SAG), are significant cyclonic circulation features, with
25551-417: The tribe Serdi , who were either of Thracian , Celtic , or mixed Thracian-Celtic origin. The emperor Marcus Ulpius Traianus (53–117 AD) gave the city the combinative name of Ulpia Serdica ; Ulpia may be derived from an Umbrian cognate of the Latin word lupus , meaning "wolf" or from the Latin vulpes (fox). It seems that the first written mention of Serdica was made during his reign and
25718-503: The year is likewise distinct: it ranges between 38 and 39 PSUs . The southern Adriatic is subjected to saltier water from the Levantine Basin. According to the Köppen climate classification , the upper half of the Adriatic is classified as humid subtropical climate ( Cfa ), with wetter summers and colder and drier winters, and the southern Adriatic are classified as hot-summer Mediterranean climate ( Csa ) . The air temperature can fluctuate by about 20 °C (36 °F) during
25885-435: Was 4 metres (13 ft) per year. In the 12th century, the delta advanced at a rate of 25 metres (82 ft) per year. In the 17th century, the delta began to become a human-controlled environment, as the excavation of artificial channels started; the channels and new distributaries of the Po have been prograding at rates of 50 metres (160 ft) per year or more since then. There are more than 20 other rivers flowing into
26052-401: Was ambushed and soundly defeated by the Bulgarians in the battle of the Gates of Trajan . The city eventually fell to the Byzantine Empire in 1018, following the Byzantine conquest of Bulgaria . Sredets joined the uprising of Peter Delyan in 1040–1041 in a failed attempt to restore Bulgarian independence and was the last stronghold of the rebels, led by the local commander Botko. During
26219-459: Was created in 2009, extending 3 nautical miles (5.6 km; 3.5 mi) into the sea and along 7 kilometres (4.3 mi) of coastline. Various zones of the protected area cover 37 square kilometres (14 sq mi) of sea surface. The Tremiti Islands reserve has been protected since 1989, while the Tremiti islands themselves are part of the Gargano National Park . The Torre Guaceto protected area, located near Brindisi and Carovigno , covers
26386-441: Was established in 1998 and covers 122 hectares (300 acres). The Debeli Rtič natural monument covers 24 hectares (59 acres), the Cape Madona natural monument covers 12 hectares (30 acres), and the Lakes in Fiesa natural monument, with the coastal lake as the only brackish lake in Slovenia, covers 2.1 hectares (5.2 acres). In 2010, Albania established its first marine protection area, the Karaburun-Sazan National Marine Park at
26553-407: Was established in 2006, and it includes 44 islands and islets, 53 square kilometres (20 sq mi) of land and 143 square kilometres (55 sq mi) of sea surface. The Mljet national park was established in 1960, covering a 24-square-kilometre (9.3 sq mi) marine protection area. In addition, there is a Ramsar wetland reserve in Croatia—the Neretva river's delta . In Slovenia,
26720-402: Was incorporated into the Bulgarian Empire by Khan Krum and became known as Sredets. In 1018, the Byzantines ended Bulgarian rule until 1194, when it was reincorporated by the reborn Bulgarian Empire . Sredets became a major administrative, economic, cultural and literary hub until its conquest by the Ottomans in 1382. From 1530 to 1836, Sofia was the regional capital of Rumelia Eyalet ,
26887-471: Was marked by a wave of persecutions against the Bulgarian Christians, a total of nine became New Martyrs in Sofia and were sainted by the Orthodox Church, including George the New (1515), Sophronius of Sofia (1515), George the Newest (1530), Nicholas of Sofia (1555) and Terapontius of Sofia (1555). When it comes to the cityscape, 16th century sources mention eight Friday mosques , three public libraries, numerous schools, 12 churches, three synagogues, and
27054-649: Was more feasible. The Germans objected, but the Ottomans sent a colonel to Sofia to begin negotiations with the Bulgarian general staff anyway. Even after entering the war, the Ottomans did not make the Germans aware of the existence of their Bulgarian treaty until 17 December 1914; and the Bulgarians did not actually agree to enter the war on the side of the Central Powers until the Convention of Sofia of 6 September 1915. Sofia Sofia ( / ˈ s oʊ f i ə , ˈ s ɒ f -, s oʊ ˈ f iː ə / SOH -fee-ə, SOF - ; Bulgarian : София , romanized : Sofiya , IPA: [ˈsɔfijɐ] )
27221-399: Was proposed as a capital by Marin Drinov and was accepted as such on 3 April 1879. By the time of its liberation the population of the city was 11,649. Most mosques in Sofia were destroyed in that war, seven of them destroyed in one night in December 1878 when a thunderstorm masked the noise of the explosions arranged by Russian military engineers. Following the war, the great majority of
27388-402: Was recently expanded to a "square" and includes the Catholic Cathedral of St Joseph . Sofia has been named one of the top ten best places for startup businesses in the world, especially in information technologies. It was Europe's most affordable capital to visit in 2013. The Boyana Church in Sofia, constructed during the Second Bulgarian Empire and holding much patrimonial symbolism to
27555-416: Was seized by the Ottoman Empire in the course of the Bulgarian-Ottoman Wars by Lala Şahin Pasha , following a three-month siege . The Ottoman commander left the following description of the city garrison: "Inside the fortress [Sofia] there is a large and elite army, its soldiers are heavily built, moustached and look war-hardened, but are used to consume wine and rakia —in a word, jolly fellows." From
27722-441: Was temporarily moved there. In the second half of 10th century the city was ruled by Komit Nikola and his sons, known as the " Komitopuli ". One of them was Samuil , who was eventually crowned Emperor of Bulgaria in 997. In 986, the Byzantine Emperor Basil II laid siege to Sredets but after 20 days of fruitless assaults the garrison broke out and forced the Byzantines to abandon the campaign. On his way to Constantinople, Basil II
27889-539: Was the largest import-export-base in modern-day Bulgaria for the caravan trade with the Republic of Ragusa . In the 15th and 16th century, Sofia was expanded by Ottoman building activity. Public investments in infrastructure, education and local economy brought greater diversity to the city. Amongst others, the population consisted of Muslims , Bulgarian and Greek speaking Orthodox Christians , Armenians , Georgians , Catholic Ragusans, Jews ( Romaniote , Ashkenazi and Sephardi ), and Romani people . The 16th century
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