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The Una-Sana Canton ( Bosnian : Unsko-sanski kanton and Serbian : Унско-сански кантон; Croatian : Unsko-sanska županija ) is one of the ten cantons of the Federation of Bosnia and Herzegovina , an entity within Bosnia and Herzegovina . It is located in the northwest of the country and has been named after the rivers Una and Sana . The center of the cantonal government is Bihać . The canton is bordered by Republika Srpska from the east, the Canton 10 from the southeast, and Croatia from the south, west, and north.

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127-613: The liberalisation of the labour market in Germany in 2017 resulted in a large wave of emigration from Bosnia and Herzegovina. The Una-Sana Canton leads in terms of emigration in Bosnia and Herzegovina. The Cantonal Ministry of Internal Affairs issued 15,900 certificates of impunity for the purpose of working abroad in 2021. In 2017, the Ministry issued around 13,500 of such certificates, in 2018 around 14,800, in 2019 around 12,200 and in 2020,

254-482: A Croatian administrative division —it comprises a consolidated city-county (but separate from Zagreb County ), and is administratively subdivided into 17 city districts . Most of the city districts lie at a low elevation along the valley of the river Sava , but northern and northeastern city districts, such as Podsljeme and Sesvete districts are situated in the foothills of the Medvednica mountain, making

381-603: A gasworks . The Zagreb waterworks opened in 1878. After the 1880 Zagreb earthquake , up to the 1914 outbreak of World War I , development flourished and the town received the characteristic layout which it has today. The first horse-drawn tram dated from 1891. The construction of railway lines enabled the old suburbs to merge gradually into Donji Grad , characterized by a regular block pattern that prevails in Central European cities. This bustling core includes many imposing buildings, monuments, and parks as well as

508-508: A metathesis of * Zabreg , which would originate from Old Slavic breg (see Proto-Slavic * bergъ ) in the sense of "riverbank", referring to River Sava. This metathesis has been attested in Kajkavian , but the meaning of "riverbank" is lost in modern Croatian and folk etymology associates it instead with breg "hill", ostensibly referring to Medvednica. Hungarian linguist Gyula Décsy similarly uses metathesis to construct * Chaprakov(o) ,

635-530: A cost of 800  million euros. The four power plants will have an installed capacity of 122  megawatts and an annual production capacity of 610 gigawatt-hours. Use of water for public water supply in the Sava River basin is estimated at 783,000,000 cubic metres (2.77 × 10 cubic feet) per year, and another 289,000,000 cubic metres (1.02 × 10 cubic feet) of water per year is used for industrial production purposes. Use of water for agriculture in

762-522: A diocese. Alongside the bishop's see , the canonical settlement Kaptol developed north of Zagreb Cathedral , as did the fortified settlement Gradec on the neighbouring hill, with the border between the two formed by the Medveščak stream. Today the latter is Zagreb's Upper Town ( Gornji Grad ) and is one of the best-preserved urban nuclei in Croatia. Both settlements came under Tatar attack in 1242. As

889-502: A long-standing restriction that forbade the construction of 10-story or higher buildings, most of Zagreb's high-rise buildings date from the 1970s and 1980s and new apartment buildings on the outskirts of the city are usually 4–8 floors tall. Exceptions to the restriction have been made in recent years, such as permitting the construction of high-rise buildings in Lanište or Kajzerica. The wider Zagreb area has been continuously inhabited since

1016-577: A multitude of museums, theatres, and cinemas. An electric-power plant was built in 1907. Since 1 January 1877, the Grič cannon fires daily from the Lotrščak Tower on Grič to mark midday. The first half of the 20th century saw a considerable expansion of Zagreb. Before World War I, the city expanded and neighborhoods like Stara Peščenica in the east and Črnomerec in the west grew up. The Rokov perivoj neighbourhood, noted for its Art Nouveau features,

1143-668: A new plan that allowed for the many recent high-rise buildings in Zagreb, such as the Almeria Tower, Eurotower , HOTO Tower , Zagrebtower , Sky Office Tower and the tallest high-rise building in Zagreb Strojarska Business Center . In Novi Zagreb , the neighbourhoods of Blato and Lanište expanded significantly, including the Zagreb Arena and the adjoining business centre. Due to

1270-564: A number of other smaller communities. After the easing of COVID-19 pandemic restrictions, thousands of foreign workers immigrated to Zagreb due to the shortage of labor force in Croatia. These workers primarily come from countries such as Nepal , the Philippines , India , and Bangladesh , as well as some European countries including Bosnia and Herzegovina , Serbia , Kosovo and North Macedonia . List of districts by area and population in 2021. Since 14 December 1999 City of Zagreb

1397-592: A part of European route E70 Bordeaux – Turin –Ljubljana–Zagreb–Belgrade– Bucharest , and the European route E61 Villach –Ljubljana– Trieste – Rijeka . A largely double track and electrifried railway is also a part of the Corridor X. The railway was a part of the Simplon-Orient-Express and Direct-Orient-Express routes. The navigable river course between Belgrade and Galdovo north of Sisak

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1524-524: A population of 1,639,121. Zagreb is the second largest city on the river, comprising population of 688,163 living in the city itself, and 802,588 in the city-administered area. Together with the Zagreb County, largely corresponding to various definitions of the city's metropolitan area, it has a combined population of 1,110,517. Ljubljana is the third-largest city on the banks of the Sava, encompassing

1651-604: A population of 258,873 living in the city itself and 265,881 in the city-governed area. The largest city of Bosnia-Herzegovina on the river is Brčko, whose urban population is estimated at 40,000. Other cities along the river, with populations of 20,000 and larger, are Slavonski Brod (53,473), Šabac (52,822), Sremska Mitrovica (37,586), Kranj (35,587), Sisak (33,049), Obrenovac (24,568), and Bosanska Gradiška (est. 20,000). [REDACTED] Belgrade [REDACTED] Zagreb [REDACTED] Ljubljana [REDACTED] Slavonski Brod The Sava River basin covers

1778-508: A precipitation decrease pattern. February is the driest month, averaging 39 mm of precipitation. On average there are 29 days with snowfall, with the first snow usually falling in early December. However, in recent years, the number of days with snowfall in wintertime has decreased considerably. Spring is characterized by often pleasant but changeable weather. As the season progresses, sunny days become more frequent, bringing higher temperatures. Sometimes cold spells can occur as well, mostly in

1905-573: A putative Slavicisation of a Hungarian hypocorism for " Cyprian ", similar to the etymology of Csepreg , Hungary. The most likely derivation is * Zagrębъ in the sense of "embankment" or "rampart", i.e. remains of the 1st millennium fortifications on Grič . In Middle Latin and Modern Latin , Zagreb is known as Agranum (the name of an unrelated Arabian city in Strabo ), Zagrabia or Mons Graecensis (also Mons Crecensis , in reference to Grič (Gradec) ). The most common folk etymology derives

2032-623: A range of facilities for swimming, water sports and cycling. The island of Ada Ciganlija in Belgrade is the major recreational zone of the city, gathering as many as 100,000 visitors daily in the summer months. The Sava River is the site of several regattas . Those include the International Sava Tour rowing regatta taking place between Zagreb and Brčko, and the Belgrade Regatta ( sailing regatta). The river

2159-406: A real danger of strong earthquakes. Croatian Chief of Office of Emergency Management Pavle Kalinić stated Zagreb experiences around 400 earthquakes a year, most of them being imperceptible. However, in case of a strong earthquake, it's expected that 3,000 people would die and up to 15,000 would be wounded. In 2020 the city experienced a 5.5 magnitude earthquake , which damaged various buildings in

2286-744: A role. The Sava River basin is very significant because of its biological diversity , and it contains large alluvial wetlands and lowland forests. This led to the designation of six protected areas under provisions of the Ramsar Convention by the countries in the basin. Those are Lake Cerknica in Slovenia, Lonjsko Polje and Crna Mlaka in Croatia, Lake Bardača in Bosnia-Herzegovina, and Obedska and Zasavica bogs in Serbia. There are several sports and recreational grounds on

2413-699: A short losing stream flowing nearby, is the source of Zelenci Pools water. The Sava Dolinka is considered the Sava's initial, 45-kilometre (28 mi) segment. The Sava Bohinjka originates in Ribčev Laz , at the confluence of the Jezernica , a short watercourse flowing out from Lake Bohinj and the Mostnica River. Some sources define the Jezernica as a part of the Sava Bohinjka, specifying

2540-586: A sign of gratitude for offering him a safe haven from the Tatars, the Croatian and Hungarian King Béla IV granted Gradec the Golden Bull of 1242 , which gave its citizens exemption from county rule and autonomy, as well as their own judicial system . The development of Kaptol began in 1094 after the foundation of the diocese , while the growth of Gradec began after the Golden Bull was issued in 1242. In

2667-534: A significant portion of the Dinaric Alps region, through the major tributaries of Drina , Bosna , Kupa , Una , Vrbas , Lonja , Kolubara , Bosut and Krka . The Sava is one of the longest rivers in Europe and among the longest tributaries of another river. The population in the Sava River basin is estimated at 8,176,000, and is shared by three capital cities: Ljubljana , Zagreb and Belgrade. The Sava

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2794-602: A source of water for industrial use, but also as the mainstay of aquatic ecosystems . There are 41 identified significant groundwater bodies in the Sava River basin of basin-wide importance, ranging in area size from 97 to 5,186 square kilometres (37 to 2,002 square miles), as well as numerous minor ground water bodies. Even though most of them are transboundary waters , eleven are considered to be largely in Slovenia, fourteen in Croatia, seven in Bosnia-Herzegovina, five in Serbia and four in Montenegro. Mean annual discharge of

2921-564: A total area of 97 713.2 km² making it the second largest Danube tributary catchment by area size, surpassed only by the Tisza basin, and it encompasses 12% of the Danube basin, draining into the Black Sea. The Sava represents the third longest tributary of the Danube and its largest tributary by discharge. The catchment area borders the remainder of the Danube basin to the north and east, and

3048-637: A valley separating the Julian Alps from the Karavanke mountain range . The spring is near the Slovene- Italian border at 833 metres (2,733 feet) above sea level , in a drainage divide between the Adriatic and Danube basins . The Sava Dolinka spring is fed by groundwater possibly exhibiting bifurcation of source karst aquifer to the Sava and Soča basins. Nadiža creek,

3175-509: Is 1,217,150. Zagreb is a city with a rich history dating from Roman times. The oldest settlement in the vicinity of the city was the Roman Andautonia , in today's Šćitarjevo . The historical record of the name "Zagreb" dates from 1134, in reference to the foundation of the settlement at Kaptol in 1094. Zagreb became a free royal city in 1242. In 1851, Janko Kamauf became Zagreb's first mayor . Zagreb has special status as

3302-577: Is a 700 metres (2,300 feet) long sport fishing competition ground near Hotemež , Slovenia. Even though the name Sava became very common among Slavs , and has a "Slavic tone", the river's name has pre- Slavic Celtic and Roman origins; Strabo writes in Geographica 4.6.10 (composed between 20 BCE and 20 CE) of the River Saüs , and the Romans used the name Savus . Another name, used for

3429-477: Is a city known for its diverse economy, high quality of living , museums , sporting, and entertainment events. Major branches of Zagreb's economy include high-tech industries and the service sector . The etymology of the name Zagreb is unclear. It was used for the united city only from 1852, but it had been in use as the name of the Zagreb Diocese since the 12th century and was increasingly used for

3556-693: Is about 2 ⁄ 3 -navigable for larger vessels: from the confluence of the Kupa in Sisak a few kilometers below Zagreb. The name is believed to be derived from the Proto-Indo-European root *sewh 1 - ('to press, push (forth); to take liquid, water', whence the English word sup ) and the ending *eh 2 , so that it literally means 'that which waters [the ground]'. The ancient Greeks called it Saos ( Ancient Greek : Σάος ). The Sava River

3683-506: Is abundant and it mainly falls during thunderstorms. With 840 mm of precipitation per year, Zagreb is Europe's ninth wettest capital, receiving less precipitation than Luxembourg but more than Brussels , Paris or London . Compared to these cities, however, Zagreb has fewer rainy days, but the annual rainfall is higher due to heavier showers occurring mainly in late spring and summer. Autumn in its early stage often brings pleasant and sunny weather with occasional episodes of rain later in

3810-460: Is also the site of the Šabac Swimming Marathon —an open water swimming competition, running on an 18.8-kilometre (11.7 mi) course between the village of Jarak and the city of Šabac in Serbia. The competition is held annually since 1970, and was included in FINA international calendar from 1984 to 2012. Recreational and sport fishing is a popular activity along the Sava River course. There

3937-485: Is compounded with a meandering of the river's course—limiting the length of vessels—and low bridge clearance. Further problems are incurred through poor transport infrastructure along the route, including poor navigation markings, and presence of sunken vessels and unexploded munitions . Navigation along further 68 kilometres (42 miles) of the river upstream to Rugvica near Zagreb is possible for vessels with tonnage below 1,000 tonnes (980 long tons; 1,100 short tons), and

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4064-509: Is divided into 17 city districts ( gradska četvrt , pl. gradske četvrti ): Sava The Sava is a river in Central and Southeast Europe , a right-bank and the longest tributary of the Danube . It flows through Slovenia , Croatia and along its border with Bosnia and Herzegovina , and finally through Serbia , feeding into the Danube in its capital, Belgrade . The Sava forms

4191-400: Is especially troublesome for navigation as it offers 250 centimetres (98 inches) draught in less than 50% of an average hydrological year, causing navigation to cease each summer. Similar interruptions are less frequent elsewhere on the river, occurring 30 days a year on average upstream from Oprisavci, and even more rarely downstream from Slavonski Šamac. The restricted draft and fairway

4318-484: Is estimated that the nutrient pollution levels generated by manure production equal 32,394 tonnes of nitrogen and 3,784 tonnes of phosphorus per year. As a consequence, the Sava River is microbiologically polluted in areas affected by the nutrient pollution. One such part of the river is the lowermost part of its course between Šabac and Belgrade, where acceptable freshwater bacterial counts are exceeded. Levels of industrial pollution vary significantly throughout

4445-685: Is flanked by the Krndija and the Dilj Hills on the eastern rim of the Požega Valley . The Bilogora, Papuk and Krndija Mountains consist mostly of Paleozoic rocks which are 300–350 million years old, while the Dilj consists of much more recent Neogene rocks, 2–18 million years old. Further east of the chain, the watershed runs through the Đakovo – Vinkovci and Vukovar Plateau. The loess plateau, extending eastward from Dilj and representing

4572-515: Is formed by the headwaters of the Tara and the Piva at the border of Bosnia-Herzegovina and Montenegro, near Šćepan Polje . Its 20 319.9 km² catchment extends across parts of four countries—reaching as far south as Albania. The Bosna and the Kupa river basins are the second and third largest catchments of the Sava tributaries, each surpassing 10 000 km² in size. The average annual flow rate of

4699-634: Is formed from the Sava Dolinka and the Sava Bohinjka headwaters in northwest Slovenia . The drainage basin has other key tributaries , including the 52-kilometre (32 mi) Sora , the 27-kilometre (17 mi) Tržič Bistrica and the 17-kilometre (11 mi) Radovna rivers—flowing into the Sava at confluences as far east downstream as Medvode . The Sava Dolinka rises at the Zelenci Pools near Kranjska Gora , Slovenia, in

4826-472: Is left over from various conflicts including the World War II , Croatian War of Independence , Bosnian War , and the 1999 NATO bombing of Yugoslavia . Before reaching confluence of Una at Jasenovac and 86.8 metres (285 feet) a.s.l, the Sava River traces Lonjsko polje Nature Park , encompassing marshes frequently flooded by the Sava and its tributaries in the area. Downstream of confluence of

4953-505: Is one additional plant under construction near Krško. The Krško hydroelectric power plant, as well as two additional plants planned on the Sava River course downstream of Ljubljana—Brežice and Mokrice—should be completed by 2018. The power plants downstream of Ljubljana, except Vrhovo, are developed as a chain of five Slovenia's Lower Sava Valley plants since 2002. They will have production capacity of 2,000 gigawatt-hours per year and 570 megawatts of installed capacity . Completion of

5080-731: Is sometimes used to describe the northern boundary of the Balkans , and the southern border of the Central Europe . Before the breakup of Yugoslavia in 1991 the Sava was the longest river lying completely within the country. The Sava Dolinka rises in the Zelenci Pools, west of Podkoren in the Upper Carniola region of Slovenia at 833 metres (2,733 feet) above sea level (a.s.l.), and flows east, past Kranjska Gora to Jesenice , where it turns southeast. At Žirovnica ,

5207-559: Is spanned by 25 bridges. The Sava River valley east of Sisak is also used as a route for the Jadranski naftovod , a crude oil pipeline. The system connects the Port of Rijeka oil terminal to oil refineries in Rijeka and Sisak, to Bosanski Brod in Bosnia-Herzegovina, as well as Novi Sad and Pančevo in Serbia. The main pressure on the Sava River basin environment is generated by

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5334-402: Is tasked with the establishment of sustainable management of surface water and groundwater resources in the Sava River basin. The Sava is navigable to larger vessels for 593.8 kilometres (369.0 miles) between its confluence with the Danube in Belgrade, Serbia and Galdovo Bridge in Sisak, Croatia , 2.8 kilometres (1.7 miles) upstream from confluence of Sava and Kupa rivers. The confluence marks

5461-483: Is the capital and largest city of Croatia . It is in the north of the country , along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Slovenia at an elevation of approximately 158 m (518 ft) above sea level . At the 2021 census, the city itself had a population of 767,131, while the population of Zagreb metropolitan area

5588-559: Is the seat of the central government , administrative bodies , and almost all government ministries . Almost all of the largest Croatian companies , media , and scientific institutions have their headquarters in the city. Zagreb is the most important transport hub in Croatia: here Central Europe , the Mediterranean and Southeast Europe meet, making the Zagreb area the centre of the road, rail and air networks of Croatia . It

5715-602: Is thirsty and orders a girl named Manda to "scoop" water from the Manduševac well (nowadays a fountain in Ban Jelačić Square), using the imperative: Zagrabi, Mando! ("Scoop, Manda!"). The oldest known settlement located near present-day Zagreb, the Roman town of Andautonia , now Ščitarjevo , existed between the 1st and the 5th centuries AD. The first recorded appearance of the name "Zagreb" dates from 1094, at which time

5842-704: The Alps and the Dinarides reaching elevations in excess of 2000 m a.s.l, while the latter is dominated by the Pannonian Plain . The mean elevation of the basin is 545 m a.s.l. The most important tributaries of the Sava River found in its upper basin are characterized by relatively steep grades of flow, high flow velocities and rapids . Those are left tributaries: the Kokra , the Kamnik Bistrica and

5969-942: The Brka , the Tinja, the Drina and the Kolubara . Left tributaries in the lower segment drain plains consequently exhibiting less steep course grades, lower flow rates and meandering. They include the Sutla, the Krapina , the Lonja , the Ilova , the Orljava and the Bosut . The 346 km Drina is the largest tributary of the Sava, flowing in Bosnia-Herzegovina and along border of the country and Serbia. It

6096-671: The Brčko District , having gateway to the river), while the opposite bank belongs to Croatia and its Sisak-Moslavina, Brod-Posavina and Vukovar-Srijem counties, except in the area of Jamena and further downstream—which belongs to Serbia and the province of Vojvodina . No cities in this segment of the course span the river. It represents an international frontier, three times seeing adjacent, opposing key settlements: Bosanska Gradiška, Bosanski Brod and Brčko in Bosnia-Herzegovina, opposing Stara Gradiška , Slavonski Brod and Gunja in Croatia. The 337.2-kilometre (209.5 mi) segment between

6223-506: The European Union and as of October 2012 , an agreement to implement the plan was signed by Bosnia-Herzegovina and Croatia, while Serbia is invited to join the project. The plan aims to increase the safety and volume of river transport, which declined by about 70% since the breakup of Yugoslavia, largely because of poor maintenance of the route. The ISRBC is tasked with the establishment of an international regime of navigation on

6350-405: The Mavčiče and the Medvode power plants. The Sava then flows through the capital of Slovenia, Ljubljana , where another reservoir is on the river, adjacent to the Tacen Whitewater Course . There the river course turns east and leaves the Ljubljana Basin via Dolsko , at 261 metres (856 feet) a.s.l. (at confluence of the Ljubljanica and the Kamnik Bistrica ). The course continues through

6477-414: The Periadriatic Seam . Mesozoic and Upper Triassic rocks are exposed in the region. The Ljubljana Basin represents the boundary of the Southern Alps and the Dinarides. Valleys of the Sava Dolinka and the Sava Bohinjka are glacial valleys , carved out by the Sava Dolinka and Bohinj glaciers advancing down Karavanke range to vicinity of present-day Radovljica. In the late Pleistocene , Bohinj Glacier

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6604-470: The Pleistocene during the uplift of the Transdanubian Mountains . Ultimately, up to 3,000 metres (9,800 feet) of the sediment was deposited in the basin, and the Pannonian sea eventually drained through the Iron Gate gorge. In the southern Pannonian Basin, the Neogene to Quaternary sediment depth is normally lower, averaging 500 to 1,500 metres (1,600 to 4,900 feet), except in central parts of depressions formed by subduction . A subduction zone formed in

6731-597: The Quaternary , but it is possible that the tectonic activity continues in the present day. The Sava Folds largely exhibit Paleozoic and Triassic rocks, and clastic sediments . The lower course of the Sava in the Pannonian Basin—first reached by the Sava River in the Krško Basin on the western rim of the Pannonian Basin. The Pannonian Basin took shape through Miocenian thinning and subsidence of crust structures formed during Late Paleozoic Variscan orogeny . The Paleozoic and Mesozoic structures are visible in Papuk and other Slavonian mountains. The processes also led to

6858-435: The Sava Hills , where it passes the Litija Basin with the mining and industrial town of Litija , the Central Sava Valley with the mining towns of Zagorje ob Savi , Trbovlje , and Hrastnik , turns to the southeast and runs through the Lower Sava Valley with the towns of Radeče , Sevnica , and Krško . The course through the Sava Hills forms the boundary of traditional regions of Lower Carniola and Styria , At Radeče,

6985-400: The Savinja ; and right tributaries: the Sora, the Ljubljanica and the Krka (Sava) . Further downstream larger rivers empty into the Sava, as the right bank of the basin grows steadily. Right tributaries in this lower segment of the basin start as fast flowing courses, only to slow down as they enter the Pannonian Basin . They include the Kupa , the Una, the Vrbas , the Ukrina , the Bosna ,

7112-457: The Sisak-Moslavina County , the city of Sisak , reaching 91.3 metres (300 feet) a.s.l. The city of Sisak marks the westernmost extent of the Sava River navigable to larger vessels. Navigation conditions on the river are poor due to limited draft and fairway width, meandering of the river, bridge clearance restrictions, poor fairway markings as well as presence of sunken vessels and other objects, including unexploded ordnance . The ordnance

7239-466: The Sutla ( Slovene : Sotla ). At that point, the Sava reaches 132 metres (433 feet) a.s.l. after flowing 221 kilometres (137 miles) through Slovenia and along its border. The westernmost part of the 562-kilometre (349 mi) Sava River course in Croatia, takes the river east, through the western part of the Zagreb County , between Samobor and Zaprešić . The area encompasses forests interspersed by marshes and lakes formed in gravel pits . As

7366-436: The Vrhovo hydroelectric dam reservoir stands. The latter is site of the Krško Nuclear Power Plant , which uses the Sava River water to dissipate excess heat. The easternmost stretch of the Sava River course in Slovenia runs to the south of Brežice , where it is joined by the Krka, and the river ultimately becomes a border river between Slovenia and Croatia , marking 4 kilometres (2.5 miles) of their border near confluence of

7493-643: The Zagreb County . Zagreb metropolitan area makes approximately a quarter of a total population of Croatia . In 1997, the City of Zagreb itself was given special County status, separating it from Zagreb County, although it remains the administrative centre of both. The majority of its citizens are Croats making up 93.53% of the city's population (2021 census). The same census records around 49,605 residents belonging to ethnic minorities : 12,035 Serbs (1.57%), 6,566 Bosniaks (0.86%), 3,475 Albanians (0.45%), 2,167 Romani (0.28%), 1,312 Slovenes (0.17%), 1,036 Macedonians (0.15%), 865 Montenegrins (0.11%), and

7620-478: The international airport ( Pleso ) were built south of the Sava river. The largest industrial zone (Žitnjak) in the south-eastern part of the city, represents an extension of the industrial zones on the eastern outskirts of the city, between the Sava and the Prigorje region. Zagreb hosted the Summer Universiade in 1987. This event initiated the creation of pedestrian-only zones in the city centre and extensive new sport infrastructure, lacking until then, all around

7747-465: The Adriatic Sea basin to the west and south. The river basin generally consists of parts of Bosnia-Herzegovina, Croatia, Montenegro , Serbia and Slovenia, with a very small part of the catchment area belonging to Albania . Topography of the basin varies significantly. Upstream portion of the basin is more rugged than downstream one, but asymmetry of the basin topography is particularly apparent when comparing right and left bank areas—the former dominated by

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7874-553: The Danube's confluence and the Black Sea. Population in the Sava River basin is estimated at 8,176,000, and includes four capitals: Belgrade, Ljubljana, Sarajevo and Zagreb. All except Sarajevo, are on the river banks and represent the three largest settlements found along the river. Belgrade, at the lowest end of the river, is the largest city in the basin with urban population of 1,135,502. Ten municipalities of its outer conurbation have combined population of 1,283,783, taking in many mutual suburbs. The Belgrade metropolitan area has

8001-400: The Kupa. Besides the altar found at the Zelenci Pools, inscriptions and sites dedicated to Savus have been found in remains of Emona, Andautonia and Siscia. Several years after 1751 completion of the Robba Fountain in Ljubljana, the three male figures sculpted as parts of the fountain became identified with the river gods of Sava, Krka and Ljubljanica. In the early 20th century, the fountain

8128-404: The Sava Dolinka. Downstream from the confluence, the river is referred to as the Sava. The Sava spans Central- Southeast Europe , flowing through Slovenia, Croatia, Serbia and along the Bosnia-Herzegovina border. Its total length is 990 kilometres (615 miles), including the 45-kilometre (28 mi) Sava Dolinka and the 945-kilometre (587 mi) Sava proper. As a right tributary of the Danube ,

8255-401: The Sava River at Zagreb (period from 1992 to 2019), Sremska Mitrovica and Belgrade (period from 1992 to 2021): Mitrovica The course of the Sava River runs through several diverse geological units and orographic regions . The uppermost course of the river and its headwaters in the Karavanke area, is in the Southern Alps , tracing the Sava Fault —itself running parallel to

8382-405: The Sava River at Radovljica, immediately downstream of the Sava Dolinka and the Sava Bohinjka confluence, stands at 44.9 cubic metres (1,590 cubic feet) per second. Downstream of the Krka confluence the average flow rate reaches 317 cubic metres (11,200 cubic feet) per second, gradually increasing as tributaries discharge along the course—340 cubic metres (12,000 cubic feet) per second downstream of

8509-470: The Sava River basin is relatively high, but most of it is applied in non-consumptive uses, such as fish farming . Use of water for irrigation is relatively low, estimated at 30,000,000 cubic metres (1.1 × 10 cubic feet) per year. Commercial fishing on the Sava River is in decline since the middle of the 20th century. In 1978, there were only 97  commercial fishermen there, while recreational fishing became dominant. The decline became more rapid during

8636-547: The Sava River near Belgrade were assessed as representing little to no risk, and the conclusion drawn was that in order to "reduce the existing bacterial contamination of the Sava River it is necessary to control faecal discharge near cities like Belgrade." The two countries (Croatia and Montenegro) with the greatest direct access to the Adriatic showed by far the least polluted basin surface waters, although other factors, such as demography, agricultural/environmental development and, especially, investment (internal and external), play

8763-489: The Sava approaches the capital of Croatia, Zagreb , the marshes give way to urban landscape, but there are surviving examples of the gravel pit lakes, such as the Jarun , and the Bundek within the city. At the western outskirts of Zagreb, there is the western terminus of the 32-kilometre (20 mi) Sava–Odra flood-relief canal connecting the Sava to the Odra River plain which is intended to act as flood control retention basin . The canal has been built in response to

8890-411: The Sava in entirety or its lower part by Strabo, is Noarus . Worship of various river gods in the area dates to the Late Bronze Age , when the first settlements were founded along the Sava River. Taurisci associated their river goddess Adsullata with the Savus . Altars or inscriptions dedicated to the river-god Savus have been found at a number of locations along the river course, including at

9017-434: The Sava river began, resulting in Novi Zagreb (Croatian for New Zagreb ), originally called "Južni Zagreb" ( Southern Zagreb ). From 1999 Novi Zagreb has comprised two city districts : Novi Zagreb – zapad ( New Zagreb – West ) and Novi Zagreb – istok ( New Zagreb – East ) The city also expanded westward and eastward, incorporating Dubrava , Podsused, Jarun , Blato , and other settlements. The cargo railway hub and

9144-617: The Sutla, 880 cubic metres (31,000 cubic feet) per second following discharge of the Kupa and the Una, 990 cubic metres (35,000 cubic feet) per second downstream of the Vrbas confluence, 1,180 cubic metres (42,000 cubic feet) per second after the Bosna river empties into the Sava, and finally of 1,564 cubic metres (55,200 cubic feet) per second at confluence of the Sava in Belgrade. The highest flow rate of 6,007 cubic metres (212,100 cubic feet) per second

9271-690: The Una River, the Sava is once again tracing an international border—between Croatia and Bosnia-Herzegovina . Its meandering course runs generally eastwards along Bosanska Gradiška , and Slavonski Brod to Županja , where it turns south to Brčko . There, the river resumes its predominantly eastward course towards Sremska Rača and confluence of the Drina River. The right bank of the Sava, in this segment of its course, belongs to Bosnia-Herzegovina (with Bosnia's all three administrative entities, Republika Srpska , Federation of Bosnia and Herzegovina and

9398-406: The Una and the Drina confluences, corresponding to the Sava flowing along the border of Bosnia-Herzegovina, exhibits small change of elevation, such as from 86.8 metres (285 feet)  ASL at Jasenovac to 76.6 metres (251 feet) ASL at Brčko gauges : over 287.5 kilometres (178.6 miles) of the river between them. The river below Zagreb has a 0.4‰ slope (gradient) on average, much less steep than

9525-769: The Zelenci Pools where the Sava Dolinka rises, and a number of Roman settlements and castra built along the Via Pannonia, the Roman road running from Aquileia to the Danube. The settlements include Emona , Andautonia and Siscia (near modern-day Ljubljana, Velika Gorica and Sisak respectively) upstream of the Kupa River confluence, and Marsonia , itself built atop a prehistoric settlement, Cibalae , Sirmium and Singidunum (in modern-day Slavonski Brod, Vinkovci, Sremska Mitrovica and Belgrade) downstream of

9652-482: The activities of the urban population in the basin. Even though nearly all population centres generating pollution above 10,000  population equivalent (PE) have some sort of sewage treatment in place, less than a quarter of them are adequate. Wastewater from 86% of Sava River basin settlements, generating more than 2,000 PE, goes untreated. Pollution levels vary along the river. The best conditions in terms of wastewater treatment are found in Slovenia, although

9779-422: The basin, with four of them on the Sava, including one on the Sava Dolinka. Most of the reservoirs are used primarily, or even exclusively, for electricity generation , but they are also used as supply of drinking water , industrial water source, for irrigation and food production . Groundwater is a very important resource in the Sava River basin, generally used for public water supply of potable water, as

9906-435: The basin. In 2007, significant sources of industrial pollution were identified in Slovenia, Bosnia and Herzegovina, and Serbia. Levels of lead, cadmium and arsenic measured in the Sava River at Zagreb in 2003 did not exceed permitted concentrations, but measured levels of mercury exceeded permitted levels in four out of 216 samples. Levels of heavy metals , specifically zinc, copper, lead and cadmium, measured in sediments in

10033-533: The city existed as two different city centers: the smaller, eastern Kaptol , inhabited mainly by clergy and housing Zagreb Cathedral , and the larger, western Gradec , inhabited mainly by craftsmen and merchants. In 1851 the Ban of Croatia , Josip Jelačić , united Gradec and Kaptol; the name of the main city square, Ban Jelačić Square honors him. While Croatia formed part of Yugoslavia (1918 to 1991), Zagreb remained an important economic centre of that country, and

10160-439: The city in the 17th century. The name is first recorded in a charter by Felician, Archbishop of Esztergom , dated 1134, mentioned as Zagrabiensem episcopatum . The name is probably derived from Proto-Slavic word * grębъ which means "hill" or "uplift". An Old Croatian reconstructed name * Zagrębъ is manifested through the city's former German name, Agram . Some linguists ( e.g. Nada Klaić , Miroslav Kravar ) propose

10287-512: The city's geographical image quite diverse. The city extends over 30 km (19 mi) east-west and around 20 km (12 mi) north-south. Zagreb ranks as a global city , with a 'Beta-' rating from the Globalization and World Cities Research Network . The transport connections, the concentration of industry, scientific, and research institutions and industrial tradition underlie its leading economic position in Croatia. Zagreb

10414-421: The city. During the 1991–1995 Croatian War of Independence , the city saw some sporadic fighting around its JNA army barracks , but escaped major damage. In May 1995, it was targeted by Serb rocket artillery in two rocket attacks which killed seven civilians and wounded many. An urbanized area connects Zagreb with the surrounding towns of Zaprešić , Samobor , Dugo Selo , and Velika Gorica . Sesvete

10541-520: The conflicts between Gradec and Kaptol, there were several massacres of the citizens, destruction of houses and looting of citizens. In 1850, Gradec and Kaptol, with surrounding settlements, were united into a single settlement, today's city of Zagreb. There were numerous connections between the Kaptol diocese and the free sovereign town of Gradec for both economic and political reasons, but they were not known as an integrated city, even as Zagreb became

10668-409: The course in Slovenia, where the average slope exceeds 0.7‰. This results in the Sava's meandering course running through a wide plain bordered by wetlands . Downstream from the confluence of the Drina, the Sava River changes its eastward course to northeast, until it reaches Sremska Mitrovica , whence it flows southeast and then south to Šabac , before finally turning east towards Belgrade. Most of

10795-548: The course, with the largest among them—800-hectare (2,000-acre) Ada Ciganlija in Belgrade—connected to the right bank by a pair of artificial embankment dams forming Lake Sava since 1967. The Sava discharges into the Danube, after reaching 68.3 metres (224 feet) a.s.l. as its right tributary at the Great War Island off the easternmost tip of Syrmia in Belgrade, 1,169.9 kilometres (726.9 miles) away from

10922-443: The early 17th century, but it is visited during the year. Zagreb occasionally experiences earthquakes, due to the proximity of Žumberak - Medvednica fault zone. It's classified as an area of high seismic activity. The area around Medvednica was the epicentre of the 1880 Zagreb earthquake (magnitude 6.3), and the area is known for occasional landslide threatening houses in the area. The proximity of strong seismic sources presents

11049-474: The existing facilities are inadequate. In Serbia, on the other hand, 68% of population centres have no wastewater treatment facilities at all. Population centres exceeding 2,000 PE directly discharge into the Sava River basin's surface waters 11112 tonnes of nitrogen and 2,642 tonnes of phosphorus . Agriculture is another significant source of the Sava River basin surface water pollution, specifically through livestock manure production. It

11176-448: The first grammar school , the St. Catherine's Church (built 1620-1632 ) and monastery. In 1669, they founded an academy where philosophy, theology, and law were taught, the forerunner of today's University of Zagreb . During the 17th and 18th centuries, Zagreb was badly devastated by fire and by the plague . In 1776, the royal council (government) moved from Varaždin to Zagreb and during

11303-483: The five power plants is expected to cost 700  million euros . There are also plans for construction of ten new powerplants in the middle Sava valley HE Suhadol, HE Trbovlje, HE Renke, HE Ponovice, HE Kresnice, HE Jevnica, HE Zalog, HE Šentjakob, HE Ježica and HE Tacen. Croatia is planning the construction of four hydroelectric power plants on the Sava River in the Zagreb area. The four plants— Podsused , Prečko, Zagreb and Drenje —are scheduled to be completed by 2021 at

11430-610: The formation of a stratovolcanic chain in the basin 17–12  Mya (million years ago) and intensified subsidence observed until 5 Mya as well as flood basalts about 7.5 Mya. Contemporary uplift of the Carpathian Mountains prevented water flowing to the Black Sea, and the Pannonian Sea formed in the basin. Sediments were transported to the basin from uplifting Carpathian and Dinaric mountains, with particularly deep fluvial sediments being deposited in

11557-407: The historic downtown area. The city's iconic cathedral lost the cross off of one of its towers. This earthquake was the strongest one to affect the city since the destructive 1880 Zagreb earthquake . Zagreb is by far the largest city in Croatia in terms of population, which was 767,131 in 2021. Zagreb metropolitan area population is slightly above 1.0 million inhabitants, as it includes

11684-466: The history of the city of Zagreb, there have been numerous conflicts between Gradec and Kaptol, mainly due to disputed issues of rent collection and due to disputed properties. The first known conflicts took place in the middle of the 13th century and continued with interruptions until 1667. Because of the conflict, it was recorded that the Bishop of Kaptol excommunicated the residents of Gradec twice. In

11811-526: The latter as flowing directly out of the lake, while another group of sources include the Savica , rising at the southern flank of Triglav as the 78-metre (256 ft) Savica Falls , downstream from Triglav Lakes Valley , and flowing into the lake, as a part of the Sava Bohinjka. The watercourse flows 41 kilometres (25 miles)—including the length of the Savica—east to Radovljica , where it discharges into

11938-585: The main northern limit of the Balkan Peninsula , and the southern edge of the Pannonian Plain . The Sava is 990 kilometres (615 miles) long, including the 45-kilometre (28 mi) Sava Dolinka headwater rising in Zelenci , Slovenia. It is the largest tributary of the Danube by volume of water, and the second-largest after the Tisza in terms of catchment area ( 97 713 km² ) and length. It drains

12065-665: The maximum beam of 9.5 metres (31 feet), the maximum draught of 2.5 metres (8 feet 2 inches) and tonnage up to 1,500 tonnes (1,500 long tons; 1,700 short tons). The Sava River downstream of Sisak, is designated as European waterway E 80-12, branching off from the ;80 waterway spanning the Danube and Le Havre via the Rhine . The largest ports on the Sava River are Brčko and Šamac in Bosnia-Herzegovina, Sisak and Slavonski Brod in Croatia, and Šabac and Sremska Mitrovica in Serbia. As of 2008 , 24.5 kilometres (15.2 miles) of

12192-529: The most destructive flooding of the river that occurred in Zagreb in 1964 , when one third of the city was flooded and 17 people were killed. The city itself marks the western extent of the Sava River basin area especially prone to flooding, spanning from Zagreb to confluence of the river in Belgrade , Serbia . East of Zagreb, the river turns southeast again further through the Central Croatia , to

12319-458: The name of the city has been from the verb stem za - grab- , meaning "to scoop" or "to dig". A folk legend illustrating this derivation, attested but discarded as a serious etymology by Ivan Tkalčić , ties the name to a drought of the early 14th century, during which Augustin Kažotić (c. 1260–1323) is said to have dug a well which miraculously produced water. In another legend, a city governor

12446-619: The north is the Medvednica Mountain ( Croatian : Zagrebačka gora ), with its highest peak Sljeme (1,035 m), where one of the tallest structures in Croatia, Zagreb TV Tower is located. The Sava and the Kupa valleys are to the south of Zagreb, and the region of Hrvatsko Zagorje is located on the other (northern) side of the Medvednica hill. In mid-January 2005, Sljeme held its first World Ski Championship tournament . From

12573-535: The number of such certificates issued was around 9,200. Also, in 2021, about 1,500 children enrolled in the first grades of elementary schools, 2,000 less than 20 years ago. In the 1991 census, the Canton of Una-Sana had 330,479 residents, including: Due to the proximity to Croatia and its narrow northern outline, various important traffic lines between Zagreb and the Adriatic traverse the Una-Sana canton, such as

12700-551: The political center, and the regional Sabor ( Latin : Congregatio Regnorum Croatiae, Dalmatiae et Slavoniae ) representing Croatia, Slavonia and Dalmatia , first convened at Gradec. Zagreb became the Croatian capital in 1557, with city also being chosen as the seat of the Ban of Croatia in 1621 under ban Nikola IX Frankopan . At the invitation of the Croatian Parliament , the Jesuits came to Zagreb and built

12827-584: The prehistoric period, as witnessed by archaeological findings in the Veternica cave from the Paleolithic and excavation of the remains of the Roman Andautonia near the present village of Šćitarjevo. Picturesque former villages on the slopes of Medvednica, Šestine, Gračani, and Remete, maintain their rich traditions, including folk costumes, Šestine umbrellas, and gingerbread products. To

12954-713: The present-day Sava River valley, and approximately 4,000 metres (13,000 feet) deep sediments were deposited in the Slavonia-Syrmia depression and 5,500 metres (18,000 feet) in the Sava depression. The results of those processes are large plains in the Sava River valley and the Kupa River valley. The plains are interspersed by the horst and graben structures, believed to have broken the Pannonian Sea surface as islands , which became watershed between Drava and Sava River basins extending along Ivanščica – Kalnik – Bilogora –Papuk mountain chain. The Papuk Mountain

13081-1200: The railway line Novi Grad - Bihać - Knin . The airport of Željava is located near Bihać and is located right between the Bosnian and Croatian border. [REDACTED]   Una-Sana [REDACTED]   Central Bosnia [REDACTED]   Posavina [REDACTED]   Herzegovina-Neretva [REDACTED]   Tuzla [REDACTED]   West Herzegovina [REDACTED]   Zenica-Doboj [REDACTED]   Sarajevo [REDACTED]   Bosnian Podrinje [REDACTED]   Canton 10 [REDACTED]   Una-Sana [REDACTED]   Central Bosnia [REDACTED]   Posavina [REDACTED]   Herzegovina-Neretva [REDACTED]   Tuzla [REDACTED]   West Herzegovina [REDACTED]   Zenica-Doboj [REDACTED]   Sarajevo [REDACTED]   Bosnian Podrinje [REDACTED]   Canton 10 44°44′N 16°12′E  /  44.733°N 16.200°E  / 44.733; 16.200 Zagreb Zagreb ( / ˈ z ɑː ɡ r ɛ b / ZAH -greb Croatian: [zǎːɡreb] )

13208-664: The reign of the Emperor Joseph II Zagreb became the headquarters of the Varaždin and Karlovac general command. In the 19th century, Zagreb was the center of the Croatian National Revival and saw the foundation of important cultural and historic institutions. In 1850, the town was united under its first mayor – Janko Kamauf . The first railway line to connect Zagreb with Zidani Most and Sisak opened in 1862 and in 1863 Zagreb received

13335-564: The river banks and gravel pits and artificial lakes adjacent. Tacen Whitewater Course, on the right bank of the Sava in Tacen , a suburb of Ljubljana, was built as a permanent kayaking course in 1948. It hosts a major international competition almost every year, examples being the ICF Canoe Slalom World Championships in 1955 , 199 1 and 2010 . In Zagreb, Jarun complex of lakes along the river course offers

13462-460: The river belongs to the Black Sea drainage basin. The Sava River is the third longest tributary of the Danube , slightly shorter than the 966-kilometre (600 mi) Tisza and the 950-kilometre (590 mi) Prut —the Danube's two longest tributaries—when the Sava Dolinka headwater is excluded from its course. It is also the largest tributary of the Danube by discharge . The river course

13589-541: The river course between Slavonski Šamac and Oprisavci , as well as additional 219.8 kilometres (136.6 miles) between Slavonski Brod and Sisak, are considered by Croatia's Ministry of Maritime Affairs, Transport and Infrastructure to fail the Class IV criteria, permitting navigation of vessels up to 1,000 tonnes (980 long tons; 1,100 short tons) only, complying with the AGN's Category III. The Slavonski Šamac–Oprisavci section

13716-612: The river enters the Ljubljana Basin and encounters the first hydroelectric dam — Moste plant—before proceeding to the east of the glacial Lake Bled towards Radovljica and confluence of the Sava Bohinjka, at 411 metres (1,348 feet) a.s.l. Downstream of Radovljica, the Sava proceeds southeast towards Kranj . Between Kranj and Medvode, its course comprises the Lake Trboje and the Lake Zbilje reservoirs , built for

13843-595: The river since 2005. The Sava River valley is also a route for road and rail traffic. The river valley routes are a part of the Pan-European Corridor X , and forming junctions with Pan-European Corridors V, Vb, Vc , Xa and Xb in area of Ljubljana (V), Zagreb (Vb, Xa), Slavonski Šamac (Vc), and Belgrade (Xb). The motorways forming the Pan-European Corridor X in the area— Slovenia's A2 , Croatia's A3 and Serbia's A1 motorways—represent

13970-406: The river's basin is used to cool thermoelectric and nuclear power plants. Power plant cooling represents the main type of use of the Sava River waters. As of October 2012 , there are six existing hydroelectric power plants built along the Sava River. Upstream of Ljubljana there are Moste, Mavčiče and Medvode power plants, while Vrhovo, Boštanj and Blanca are downstream of the capital. There

14097-617: The river's course in Serbia represents a border between province of Vojvodina, on the left bank, and Central Serbia , on the right bank. Exceptions to that are in area around Sremska Mitrovica, where both banks are in Vojvodina, and downstream of Progar suburb of Belgrade where both banks are in Central Serbia. The river meanders and forms wetlands there as well—the most significant centering on Obedska bara oxbow lake . The Sava River forms several large islands in this segment of

14224-595: The season's early stages. The average daily mean temperature in the winter is around 1 °C (34 °F) (from December to February) and the average temperature in the summer is 20 °C (68.0 °F). The highest recorded temperature at the Maksimir weather station was 40.4 °C (104.7 °F) in July 1950, and lowest was −27.3 °C (−17.1 °F) in February 1956. A temperature of −30.5 °C (−22.9 °F)

14351-429: The season. Late autumn is characterized by a mild increase in the number of rainy days and a gradual decrease in daily temperature averages. Morning fog is common from mid-October to January, with northern city districts at the foothills of the Medvednica mountain as well as south-central districts along the Sava river being more prone to longer fog accumulation. Winters are relatively cold, bringing overcast skies and

14478-480: The section of the river belongs to the AGN's Category II. There are plans for the restoration of the Category IV compliant waterway downstream of Sisak and betterment of navigation infrastructure between Sisak and Rugvica, as well as upgrading of the waterway between Brčko and Belgrade to Category Va, matching that of the Danube, with uninterrupted navigation through the year. The plan is planned to be supported by

14605-429: The summit, weather permitting, the vista reaches as far as Velebit Range along Croatia's rocky northern coast, as well as the snow-capped peaks of the towering Julian Alps in neighboring Slovenia . There are several lodging villages, offering accommodation and restaurants for hikers. Skiers visit Sljeme, which has four ski-runs, three ski-lifts, and a chairlift. The old Medvedgrad , a recently restored medieval burg

14732-747: The town. In 1926, the first radio station in the region began broadcasting from Zagreb, and in 1947 the Zagreb Fair opened. During World War II, Zagreb became the capital of the Independent State of Croatia (1941–1945), which was backed by Nazi Germany and by the Italians . The history of Zagreb in World War II became rife with incidents of régime terror and resistance sabotage - the Ustaša régime had thousands of people executed during

14859-590: The war in and near the city. Partisans took the city at the end of the war. From 1945 until 1990, Zagreb functioned as the capital of the Socialist Republic of Croatia , one of the six constituent socialist republics of the Socialist Federal Republic of Yugoslavia . The area between the railway and the Sava river witnessed a new construction-boom after World War II. After the mid-1950s, construction of new residential areas south of

14986-476: The wars in Croatia and Bosnia-Herzegovina, reducing the quantity of fish caught in the river to approximately one-third of the pre-war catches which ranged from 719 to 988 tonnes (708 to 972 long tons; 793 to 1,089 short tons) between 1979 and 1990. The International Sava River Basin Commission (ISRBC), a cooperative body established by Bosnia-Herzegovina, Croatia, Slovenia and Serbia and Montenegro in 2005,

15113-767: The watershed between the Vuka and Bosut rivers, gradually rises to the Fruška Gora south of Ilok. There are 18 hydroelectric power plants with power generation capacity exceeding 10  Megawatts in the Sava River basin. In Slovenia, most of them harness the Sava itself. In other countries, the hydroelectric power plants are on its tributaries. Total power generation capacity of the 18 power plants, and additional smaller plants largely found in Slovenia, amounts to 41542 megawatts, and their annual production capacity stands at 2,497  gigawatt-hours . Approximately 3.3 cubic kilometres (0.79 cubic miles) of water per year in

15240-557: The westernmost point of the river course designated as a Class IV international waterway in compliance with the United Nations Economic Commission for Europe 's European Agreement on Main Inland Waterways of International Importance (AGN). The classification means that the river course between Sisak and Belgrade is navigable to ships of the maximum length of 80 to 85 metres (262 to 279 feet),

15367-525: Was built in the 13th century on Medvednica hill. It overlooks the western part of the city and also hosts the Shrine of the Homeland , a memorial with an eternal flame , where Croatia pays reverence to all its heroes fallen for homeland in its history, customarily on national holidays . The ruined medieval fortress Susedgrad is located on the far-western side of Medvednica hill. It has been abandoned since

15494-408: Was established at the start of the century. After the war, working-class districts such as Trnje emerged between the railway and the Sava , whereas the construction of residential districts on the hills of the southern slopes of Medvednica was completed between the two World Wars . In the 1920s, the population of Zagreb increased by 70 percent – the largest demographic boom in the history of

15621-488: Was recorded by Slavonski Šamac gauging station in May 2014. Seven out of eight largest reservoirs in the Sava River basin are in the Drina catchment, the largest among them being the 0.88-cubic-kilometre (0.21 cu mi) Lake Piva on the eponymous river in Montenegro, created after construction of Mratinje Dam . Overall, there are 22 reservoirs holding more than 5,000,000 cubic metres (180,000,000 cubic feet) of water in

15748-520: Was recorded on the since defunct Borongaj Airfield in February 1940. The most important historical high-rise constructions are Neboder (1958) on Ban Jelačić Square , Cibona Tower (1987), and Zagrepčanka (1976) on Savska Street, Mamutica in Travno ( Novi Zagreb – istok district, built in 1974) and Zagreb TV Tower on Sljeme (built in 1973). In the 2000s, the City Assembly approved

15875-770: Was the first and the closest area to become a part of the agglomeration and is already included in the City of Zagreb for administrative purposes and now forms the easternmost city district. The climate of Zagreb is classified as an oceanic climate ( Köppen : Cfb ), bordering a humid continental climate ( Dfb ). Zagreb has four separate seasons. Summers are generally warm, sometimes hot. In late May it gets significantly warmer, temperatures start rising and it often becomes very warm or even hot with occasional afternoon and evening thunderstorms. Heatwaves can occur but are short-lived. Temperatures rise above 30 °C (86 °F) on average 14.6 days each summer. During summertime, rainfall

16002-761: Was the largest glacier in the territory of present-day Slovenia, up to 900 metres (3,000 feet) thick. Sava Folds, southeast and east of the Ljubljana Basin are thought of as a part of the Dinarides, separating the Ljubljana and Krško Basins , and forming the Sava Hills. The east–west oriented folds are younger than the Miocene and the folding is considered to had taken place in the Pliocene and

16129-648: Was the second largest city. After Croatia declared independence from Yugoslavia in 1991, the Parliament of the Republic of Croatia ( Croatian : Sabor Republike Hrvatske ) proclaimed Zagreb as the capital of the Republic of Croatia. The history of Zagreb dates as far back as 1094 A.D. when the Hungarian King Ladislaus , returning from his campaign against the Kingdom of Croatia , founded

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