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121-861: They migrated from the Caspian Sea to the Black Sea region. By the late 4th century, they had occupied lands between the Caucasus mountains and the Don, becoming masters of the Kuban region. They were the first Sarmatian tribe to have contact with the Hellenic groups on the coast of the Black Sea. In 310–309 BC, their king Aripharnes took part in the Bosporan Civil War and lost at the battle of

242-422: A 25-year cooperation agreement that will strengthen the relations between the two countries and would include "political, strategic and economic" components. Iran-China relations dates back to at least 200 BC and possibly earlier. Iran is one of the few countries in the world that has a good relationship with both North and South Korea . Iran is a member of dozens of international organizations, including

363-538: A salinity of approximately 1.2% (12 g/L), about a third of the salinity of average seawater . It is bounded by Kazakhstan to the northeast, Russia to the northwest, Azerbaijan to the southwest, Iran to the south, and Turkmenistan to the southeast. The name of the Caspian sea is derived from the ancient Iranic Caspi people. The sea stretches 1,200 km (750 mi) from north to south, with an average width of 320 km (200 mi). Its gross coverage

484-649: A cave in Georgia. Discoveries in the Hotu cave and the adjacent Kamarband cave , near the town of Behshahr , Mazandaran south of the Caspian in Iran, suggest human habitation of the area as early as 11,000 years ago. Ancient Greeks focused on the civilization on the south shore – they call it the (H)yr(c/k)anian Sea ( Ancient Greek : Υρκανία θάλαττα , with sources noting the latter word was evolving then to today's Thelessa : late Ancient Greek : θάλασσα ). Hafiz-i Abru ,

605-480: A ceremonial body without any real power. The political system is based on the country's constitution . Iran ranked 154th in the 2022 The Economist Democracy Index . Juan José Linz wrote in 2000 that "the Iranian regime combines the ideological bent of totalitarianism with the limited pluralism of authoritarianism ". The President is head of government and the second highest-ranking authority, after

726-590: A close economic and military alliance, and are subject to heavy sanctions by Western nations. Iran is the only country in Western Asia that has been invited to join the CSTO , the Russia-based international treaty organization that parallels NATO . Relations between Iran and China are strong economically; they have developed a friendly, economic and strategic relationship. In 2021, Iran and China signed

847-542: A distinct political and cultural entity. The Muslim conquest of Persia (632–654) ended the Sasanian Empire and marked a turning point in Iranian history, leading to the Islamization of Iran from the eighth to tenth centuries and the decline of Zoroastrianism . However, the achievements of prior Persian civilizations were absorbed into the new Islamic polity. Iran suffered invasions by nomadic tribes during

968-498: A factor of 10. The Caspian Sea is the largest inland body of water in the world by area and accounts for 40–44% of the total lake waters of the world, and covers an area larger than Germany . The coastlines of the Caspian are shared by Azerbaijan , Iran , Kazakhstan , Russia , and Turkmenistan . The Caspian is divided into three distinct physical regions: the Northern, Middle, and Southern Caspian. The Northern–Middle boundary

1089-683: A fourteenth century Timurid Empire geographer, recorded that the destruction of the Oxus river dam and irrigation works diverted the river flow towards the Caspian Sea, which caused the Aral sea to nearly disappear. Later, in the Tang dynasty (618–907), the sea was the western limit of the Chinese Empire. The area is rich in fossil fuels . Oil wells were being dug in the region as early as

1210-698: A leading world power, though by the 19th century, it had lost significant territory through conflicts with the Russian Empire . The early 20th century saw the Persian Constitutional Revolution and the establishment of the Pahlavi dynasty . Attempts by Mohammad Mosaddegh to nationalize the oil industry led to an Anglo-American coup in 1953 . After the Iranian Revolution , the monarchy was overthrown in 1979 and

1331-503: A moderate position internationally. In 1997, Rafsanjani was succeeded by moderate reformist Mohammad Khatami , whose government advocated freedom of expression , constructive diplomatic relations with Asia and the European Union , and an economic policy that supported a free market and foreign investment. The 2005 presidential election brought conservative populist and nationalist candidate Mahmoud Ahmadinejad to power. He

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1452-488: A result of the petrochemical industry; this has significantly decreased the number of species of marine birds in the area. Existing and planned oil and gas pipelines under the sea further increase the potential threat to the environment. The high concentration of mud volcanoes under the Caspian Sea were thought to be the cause of a fire that broke out 75 kilometers from Baku on July 5, 2021. The State oil company of Azerbaijan SOCAR said preliminary information indicated it

1573-420: A strong response from Iran, based on their historical and cultural background. Iran has full-control over the islands. Kish island , as a free trade zone , is touted as a consumer's paradise, with malls, shopping centres, tourist attractions, and luxury hotels. Qeshm is the largest island in Iran, and a UNESCO Global Geopark since 2016. Its salt cave, Namakdan, is the largest in the world, and one of

1694-478: Is 386,400 km (149,200 sq mi) and the surface is about 27 m (89 ft) below sea level . Its main freshwater inflow , Europe's longest river, the Volga , enters at the shallow north end. Two deep basins form its central and southern zones. These lead to horizontal differences in temperature, salinity, and ecology. The seabed in the south reaches 1,023 m (3,356 ft) below sea level, which

1815-418: Is a major regional power , due to its large reserves of fossil fuels , including the world's second largest natural gas supply , third largest proven oil reserves , its geopolitically significant location, military capabilities , cultural hegemony , regional influence, and role as the world's focal point of Shia Islam . The Iranian economy is the world's 23rd-largest by PPP . Iran is a founding member of

1936-484: Is a wholly freshwater species. The zebra mussel is native to the Caspian and Black Sea basins, but has become an invasive species elsewhere, when introduced. The area has given its name to several species, including the Caspian gull and the Caspian tern . The Caspian seal ( Pusa caspica ) is the only aquatic mammal endemic to the Caspian Sea, being one of very few seal species that live in inland waters, but it

2057-452: Is accountable only to the Rahbar. The Court's rulings are final and cannot be appealed. The Assembly of Experts, which meets for one week annually, comprises 86 "virtuous and learned" clerics elected by adult suffrage for 8-year terms. Iran is subdivided into thirty-one provinces ( Persian : استان ostân ), each governed from a local centre, usually the largest local city, which is called

2178-405: Is different from those inhabiting freshwaters due to the hydrological environment of the sea. A century ago the Caspian was home to more than one million seals . Today, fewer than 10% remain. Archeological studies of Gobustan Rock Art have identified what may be oceanic species including cetaceans from baleen whales to dolphins , and auks most likely Brunnich's Guillemot , although

2299-478: Is four times that of Europe's. There are over 200 protected areas to preserve biodiversity and wildlife, with over 30 being national parks . Iran's living fauna includes 34 bat species, Indian grey mongoose , small Indian mongoose , golden jackal , Indian wolf , foxes , striped hyena , leopard , Eurasian lynx , brown bear and Asian black bear . Ungulate species include wild boar , urial , Armenian mouflon , red deer , and goitered gazelle . One of

2420-414: Is home to a wide range of species and is famous for its caviar and oil industries. Pollution from the oil industry and dams on rivers that drain into it have harmed its ecology. It is predicted that during the 21st century, the depth of the sea will decrease by 9–18 m (30–60 ft) due to global warming and the process of desertification , leading to an ecocide . The sea's name stems from Caspi ,

2541-559: Is in a seismically active area. On average, an earthquake of magnitude seven on the Richter scale occurs once every ten years. Most earthquakes are shallow-focus and can be very devastating, such as the 2003 Bam earthquake . Iran consists of the Iranian Plateau . It is one of the world's most mountainous countries; its landscape is dominated by rugged mountain ranges that separate basins or plateaus . The populous west part

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2662-623: Is the Mangyshlak Threshold, which runs through Chechen Island and Cape Tiub-Karagan. The Middle–Southern boundary is the Apsheron Threshold , a sill of tectonic origin between the Eurasian continent and an oceanic remnant, that runs through Zhiloi Island and Cape Kuuli. The Garabogazköl Bay is the saline eastern inlet of the Caspian, which is part of Turkmenistan and at times has been a lake in its own right due to

2783-481: Is the deepest, with oceanic depths of over 1,000 m (3,300 ft), greatly exceeding the depth of other regional seas, such as the Persian Gulf . The Middle and Southern Caspian account for 33% and 66% of the total water volume, respectively. The northern portion of the Caspian Sea typically freezes in the winter, and in the coldest winters ice forms in the south as well. Over 130 rivers provide inflow to

2904-551: Is the highest judge of the Supreme Court of Iran . The Chief Justice nominates candidates to serve as minister of justice, and the President selects one. The Chief Justice can serve for two five-year terms. The Special Clerical Court handles crimes allegedly committed by clerics , although it has taken on cases involving laypeople . The Special Clerical Court functions independently of the regular judicial framework and

3025-575: Is the most mountainous, with ranges such as the Caucasus , Zagros , and Alborz , the last containing Mount Damavand , Iran's highest point, at 5,610 m (18,406 ft), which is the highest volcano in Asia. Iran's mountains have impacted its politics and economics for centuries. The north part is covered by the lush lowland Caspian Hyrcanian forests , near the southern shores of the Caspian Sea. The east part consists mostly of desert basins, such as

3146-459: Is the third-lowest natural non-oceanic depression on Earth after Baikal and Tanganyika lakes. Written accounts from the ancient inhabitants of its coast perceived the Caspian Sea as an ocean, probably because of its salinity and large size. With a surface area of 371,000 square kilometres (143,000 sq mi), the Caspian Sea is nearly five times as big as Lake Superior (82,000 square kilometres (32,000 sq mi)). The Caspian Sea

3267-542: The Oxford English Dictionary as / ɪ ˈ r ɑː n / and / ɪ ˈ r æ n / , while American English dictionaries provide pronunciations which map to / ɪ ˈ r ɑː n , - ˈ r æ n , aɪ ˈ r æ n / , or / ɪ ˈ r æ n , ɪ ˈ r ɑː n , aɪ ˈ r æ n / . The Cambridge Dictionary lists / ɪ ˈ r ɑː n / as the British pronunciation and / ɪ ˈ r æ n / as

3388-489: The Army , the head of Supreme National Security Council , and has the power to declare a state of emergency after passage by the parliament. The President is responsible for the implementation of the constitution, and for the exercise of executive powers in implementing the decrees and general policies as outlined by the Rahbar, except for matters directly related to the Rahbar, who has the final say. The President functions as

3509-683: The Azerbaijan Academy of Sciences estimated that the level of the sea was dropping by more than six centimetres per year due to increased evaporation due to rising temperatures caused by climate change . The Volga River , the longest river in Europe, drains 20% of the European land area and is the source of 80% of the Caspian's inflow. Heavy development in its lower reaches has caused numerous unregulated releases of chemical and biological pollutants. The UN Environment Programme warns that

3630-573: The Black Sea , a remnant of the ancient Paratethys Sea . Its seafloor is, therefore, a standard oceanic basalt and not a continental granite body. It is estimated to be about 30 million years old, and became landlocked in the Late Miocene , about 5.5 million years ago, due to tectonic uplift and a fall in sea level . The Caspian Sea was a comparatively small endorheic lake during the Pliocene , but its surface area increased fivefold around

3751-598: The Black Sea . In the late Pontian stage , a mountain arch rose across the south basin and divided it into the Khachmaz and Lankaran Lakes (or early Balaxani ). The period of restriction to the south basin was reversed during the Akchagylian – the lake became more than three times its size today and took again the first of a series of contacts with the Black Sea and Aral Sea . A recession of Lake Akchagyl completed stage one. The earliest hominid remains found around

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3872-700: The Bosporus under Mithridates , the king of Armenia , against the Dandaridae . Their ally Mithridates later turned against the Romans who had put Mithridates on the throne in 41. Mithridates eluded the Romans and recovered his kingdom. In the Bosporan War , The Aorsi under Prince Eunones , sent by Aquila and Cotys is sent after Mithridates and his lands, fights with Zorsines and sieges Uspe in 49 AD (The town offers 10,000 slaves for their capitulation but

3993-620: The Caucasus to the Russian Empire following the Russo-Persian Wars . Iran remained a monarchy until the 1979 Iranian Revolution , when it officially became an Islamic republic on 1 April 1979. Since then, Iran has experienced significant political, social, and economic changes. The establishment of the Islamic Republic of Iran led to the restructuring of its political system, with Ayatollah Khomeini as

4114-496: The Caucasus , west of the broad steppe of Central Asia , south of the fertile plains of Southern Russia in Eastern Europe , and north of the mountainous Iranian Plateau . It covers a surface area of 371,000 km (143,000 sq mi) (excluding the highly saline lagoon of Garabogazköl to its east), an area approximately equal to that of Japan , with a volume of 78,200 km (19,000 cu mi). It has

4235-625: The G-15 , G-24 , G-77 , IAEA , IBRD , IDA , NAM , IDB , IFC , ILO , IMF , IMO , Interpol , OIC , OPEC , WHO , and the UN , and currently has observer status at the WTO . The military is organized under a unified structure, the Islamic Republic of Iran Armed Forces , comprising the Islamic Republic of Iran Army , which includes the Ground Forces , Air Defence Force , Air Force , and Navy ;

4356-639: The Islamic Golden Age . A series of Iranian Muslim dynasties ended Arab rule, revived the Persian language and ruled the country until the Seljuk and Mongol conquests of the 11th to 14th centuries. In the 16th century, the native Safavids re-established a unified Iranian state with Twelver Shi'ism as the official religion . During the Afsharid Empire in the 18th century, Iran was

4477-766: The Islamic Revolutionary Guard Corps , which consists of the Ground Forces , Aerospace Force , Navy , Quds Force , and Basij ; and the Law Enforcement Command (Faraja), which serves an analogous function to a gendarme . While the IRIAF protects the country's sovereignty in a traditional capacity, the IRGC is mandated to ensure the integrity of the Republic, against foreign interference, coups, and internal riots. Since 1925 , it

4598-775: The Kassites , Mannaeans , and Gutians . Georg Wilhelm Friedrich Hegel called the Persians the "first Historical People". The Iranian Empire began in the Iron Age with the rise of the Medes , who unified Iran as a nation and empire in 625 BC. The Achaemenid Empire (550–330 BC), founded by Cyrus the Great , was the largest empire the world had seen, spanning from the Balkans to North Africa and Central Asia . They were succeeded by

4719-708: The Kavir Desert , which is the country's largest desert, and the Lut Desert , as well as salt lakes . The Lut Desert is the hottest recorded spot on the Earth's surface, with 70.7 °C recorded in 2005. The only large plains are found along the coast of the Caspian and at the north end of the Persian Gulf, where the country borders the mouth of the Arvand river . Smaller, discontinuous plains are found along

4840-623: The Late Middle Ages and early modern period , negatively impacting the region. Iran was reunified as an independent state in 1501 by the Safavid dynasty , which established Shia Islam as the empire's official religion, marking another turning point in the history of Islam . Iran functioned again as a leading world power, especially in rivalry with the Ottoman Empire . In the 19th century, Iran lost significant territories in

4961-541: The Medes under Cyaxares in the seventh century BC, and reached its territorial height in the sixth century BC, when Cyrus the Great founded the Achaemenid Empire , one of the largest in ancient history . Alexander the Great conquered the empire in the fourth century BC. An Iranian rebellion established the Parthian Empire in the third century BC and liberated the country, which was succeeded by

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5082-528: The Republic of Azerbaijan (611 km or 380 mi); to the north by the Caspian Sea ; to the northeast by Turkmenistan (992 km or 616 mi); to the east by Afghanistan (936 km or 582 mi) and Pakistan (909 km or 565 mi); to the south by the Persian Gulf and the Gulf of Oman ; and to the west by Iraq (1,458 km or 906 mi) and Turkey (499 km or 310 mi). Iran

5203-473: The Sasanian Empire in the third century AD. Ancient Iran saw some of the earliest developments of writing, agriculture, urbanisation, religion and central government. Muslims conquered the region in the seventh century AD, leading to Iran's Islamization . The blossoming literature , philosophy , mathematics , medicine , astronomy and art became major elements for Iranian civilization during

5324-650: The Seleucid , Parthian , and Sasanian Empires , who governed Iran for almost 1,000 years, making Iran a leading power once again. Persia's arch-rival during this time was the Roman Empire and its successor, the Byzantine Empire . Iran endured invasions by the Macedonians , Arabs , Turks , and Mongols . Despite these invasions, Iran continually reasserted its national identity and developed as

5445-560: The South Caucasus . However, they have shared common interests, such as the issue of Kurdish separatism and the Qatar diplomatic crisis . Iran has a close and strong relationship with Tajikistan . Iran has deep economic relations and alliance with Iraq , Lebanon and Syria, with Syria often described as Iran's "closest ally". Russia is a key trading partner, especially in regard to its excess oil reserves. Both share

5566-666: The United Nations , OIC , OPEC , and ECO as well as a current member of the NAM , SCO , and BRICS . Iran is home to 28 UNESCO World Heritage Sites , the 10th highest in the world, and ranks 5th in Intangible Cultural Heritage , or human treasures. The term Iran ' the land of the Aryans ' derives from Middle Persian Ērān , first attested in a 3rd-century inscription at Naqsh-e Rostam , with

5687-413: The Ural River discharge into the Caspian Sea, but it has no natural outflow other than by evaporation . Thus the Caspian ecosystem is a closed basin , with its own sea level history that is independent of the eustatic level of the world's oceans. The sea level of the Caspian has fallen and risen, often rapidly, many times over the centuries. Some Russian historians, such as Lev Gumilev , claim that

5808-472: The ancient people who lived to the southwest of the sea in Transcaucasia . Strabo (died circa AD 24) wrote that "to the country of the Albanians ( Caucasian Albania , not to be confused with the country of Albania ) belongs also the territory called Caspiane, which was named after the Caspian tribe, as was also the sea; but the tribe has now disappeared". Moreover, the Caspian Gates , part of Iran 's Tehran province , may evince such people migrated to

5929-418: The parliament . The Rahbar is the commander-in-chief of the Armed Forces , controls military intelligence and security operations, and has sole power to declare war or peace. The heads of the judiciary, state radio and television networks, commanders of the police and military, and the members of the Guardian Council are all appointed by the Rahbar. The Assembly of Experts is responsible for electing

6050-422: The tidal areas of the Volga delta and riparian forests of the Samur River delta. The shoreline is also a unique refuge for plants adapted to the loose sands of the Central Asian Deserts . The principal limiting factors to successful establishment of plant species are hydrological imbalances within the surrounding deltas, water pollution , and various land reclamation activities. The water level change within

6171-401: The twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015. Russia's extensive mineral and energy resources are the largest such reserves in the world, making it the second leading producer of oil and natural gas globally. Caspian littoral states join efforts to develop infrastructure, tourism and trade in the region. The first Caspian Economic Forum

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6292-411: The 10th century to reach oil "for use in everyday life, both for medicinal purposes and for heating and lighting in homes". By the 16th century, Europeans were aware of the rich oil and gas deposits locally. English traders Thomas Bannister and Jeffrey Duckett described the area around Baku as "a strange thing to behold, for there issueth out of the ground a marvelous quantity of oil, which serveth all

6413-806: The 2nd-most powerful person in Iran, was assassinated by the US , heightening tensions between them . Iran retaliated against US airbases in Iraq , the largest ballistic missile attack ever on Americans; 110 sustained brain injuries . Hardliner Ebrahim Raisi ran for president again in 2021 , succeeding Hassan Rouhani . During Raisi's term, Iran intensified uranium enrichment , hindered international inspections, joined SCO and BRICS, supported Russia in its invasion of Ukraine and restored diplomatic relations with Saudi Arabia. In April 2024, Israel's airstrike on an Iranian consulate , killed an IRGC commander. Iran retaliated with UAVs , cruise and ballistic missiles ; 9 hit Israel. Western and Jordanian military helped Israel down some Iranian drones. It

6534-399: The American pronunciation. Voice of America 's pronunciation guide provides / ɪ ˈ r ɑː n / . Iran is home to one of the world's oldest continuous major civilizations, with historical and urban settlements dating back to 4000 BC. The western part of the Iranian plateau participated in the traditional ancient Near East with Elam (3200–539 BC), and later with other peoples such as

6655-433: The Black Sea basin or widespread Palearctic species such as crucian carp , Prussian carp , common carp , common bream , common bleak , asp , white bream , sunbleak , common dace , common roach , common rudd , European chub , sichel , tench , European weatherfish , wels catfish , northern pike , burbot , European perch and zander . Almost 30 non-indigenous, introduced fish species have been reported from

6776-414: The Caspi(an) descriptor; in Kazakh it is called Каспий теңізі , Kaspiy teñizi , Kyrgyz : Каспий деңизи , romanized :  Kaspiy deñizi , Uzbek : Kaspiy dengizi . Others refer to it as the Khazar sea : Turkmen : Hazar deňzi ; Azerbaijani : Xəzər dənizi , Turkish : Hazar Denizi . In all these the first word refers to the historical Khazar Khaganate , a large empire based to

6897-455: The Caspian "suffers from an enormous burden of pollution from oil extraction and refining, offshore oil fields, radioactive wastes from nuclear power plants and huge volumes of untreated sewage and industrial waste introduced mainly by the Volga River". The magnitude of fossil fuel extraction and transport activity in the Caspian also poses a risk to the environment. The island of Vulf off Baku , for example, has suffered ecological damage as

7018-492: The Caspian Sea are from Dmanisi dating back to around 1.8 Ma and yielded a number of skeletal remains of Homo erectus or Homo ergaster . More later evidence for human occupation of the region came from a number of caves in Georgia and Azerbaijan such as Kudaro and Azykh Caves . There is evidence for Lower Palaeolithic human occupation south of the Caspian from western Alburz. These are Ganj Par and Darband Cave sites. Neanderthal remains also have been discovered at

7139-550: The Caspian Sea is an indirect reason for which plants may not get established. These affect aquatic plants of the Volga Delta, such as Aldrovanda vesiculosa and the native Nelumbo caspica . About 11 plant species are found in the Samur River delta, including the unique liana forests that date back to the Tertiary period . Since 2019 UNESCO has admitted the lush Hyrcanian forests of Mazandaran , Iran as World Heritage Site under category (ix). The Caspian turtle ( Mauremys caspica ), although found in neighboring areas,

7260-434: The Caspian Sea, but only a few have become established. Six sturgeon species, the Russian , bastard , Persian , sterlet , starry and beluga , are native to the Caspian Sea. The last of these is arguably the largest freshwater fish in the world . The sturgeon yield roe (eggs) that are processed into caviar . Overfishing has depleted a number of the historic fisheries. In recent years, overfishing has threatened

7381-431: The Caspian region economies are highly dependent on this type of mineral wealth. The world energy markets were influenced by Azerbaijan and Kazakhstan, as they became strategically crucial in this sphere, thus attracting the largest share of foreign direct investment (FDI). All of the countries are rich in solar energy and harnessing potential, with the highest rainfall much less than the mountains of central Europe in

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7502-416: The Caspian, the Volga River being the largest. A second affluent, the Ural River , flows in from the north, and the Kura River from the west. In the past, the Amu Darya (Oxus) of Central Asia in the east often changed course to empty into the Caspian through a now-desiccated riverbed called the Uzboy River , as did the Syr Darya farther north. The Caspian has several small islands, primarily located in

7623-473: The Guardian Council is not needed. The Leader can revert the decisions of the Guardian Council. The constitution gives the council three mandates: veto power over legislation passed by the parliament , supervision of elections and approving or disqualifying candidates seeking to run in local, parliamentary, presidential, or Assembly of Experts elections. The council can nullify a law based on two accounts: being against Sharia (Islamic law), or being against

7744-444: The Guardian Council, and serves as an advisory body to the Supreme Leader, making it one of the most powerful governing bodies in Iran. The Parliament has 207 constituencies, including the 5 reserved seats for religious minorities. The remaining 202 are territorial, each covering one or more of Iran's counties . Iran uses a form of Sharia law as its legal system, with elements of European Civil law . The Supreme Leader appoints

7865-515: The Islamic Republic of Iran was established by Ruhollah Khomeini , who became the country's first Supreme Leader . In 1980, Iraq invaded Iran , sparking the eight-year-long Iran–Iraq War , which ended in stalemate. Iran is officially governed as a unitary Islamic republic with a presidential system , with ultimate authority vested in a Supreme Leader. The government is authoritarian and has attracted widespread criticism for its significant violations of human rights and civil liberties. Iran

7986-449: The North Caspian, the majority of the islands are small and uninhabited, like the Tyuleniy Archipelago , an Important Bird Area (IBA). The climate of the Caspian Sea is variable, with the cold desert climate (BWk), cold semi-arid climate (BSk), and humid continental climate (Dsa, Dfa) being present in the northern portions of the Caspian Sea, while the Mediterranean climate (Csa) and humid subtropical climate (Cfa) are present in

8107-405: The Peoples in the Northeastern Pontic and North Caucasian regions in the 2nd -1st century BC.], Klio 83(2001):425-450; DOI:10.1524/klio.2001.83.2.425 Caspian Sea The Caspian Sea is the world's largest inland body of water , described as the world's largest lake and usually referred to as a full-fledged sea . An endorheic basin , it lies between Europe and Asia : east of

8228-407: The Persian Gulf and Gulf of Oman have mild winters, and very humid and hot summers. The annual precipitation ranges from 135 to 355 mm (5.3 to 14.0 in). More than one-tenth of the country is forested . About 120 million hectares of forests and fields are government-owned for national exploitation. Iran's forests can be divided into five vegetation regions: Hyrcanian region which forms

8349-470: The Protection of the Caspian Sea against Pollution from Land-based Sources in order to ensure better protection for the biodiversity of the Caspian Sea. The rising level of the Caspian Sea between 1995 and 1996 reduced the number of habitats for rare species of aquatic vegetation. This has been attributed to a general lack of seeding material in newly formed coastal lagoons and water bodies. Many rare and endemic plant species of Russia are associated with

8470-419: The Rahbar, and has the power to dismiss him on the basis of qualifications and popular esteem. To date, the Assembly of Experts has not challenged any of the Rahbar's decisions nor attempted to dismiss him. The previous head of the judicial system, Sadeq Larijani , appointed by the Rahbar, said that it is illegal for the Assembly of Experts to supervise the Rahbar. Many believe the Assembly of Experts has become

8591-450: The Revolution or Supreme Leadership Authority, is the head of state and responsible for supervision of policy. The president has limited power compared to the Rahbar. Key ministers are selected with the Rahbar's agreement and they have the ultimate say on foreign policy. The Rahbar is directly involved in ministerial appointments for Defence, Intelligence and Foreign Affairs, as well as other top ministries after submission of candidates from

8712-761: The River Thatis (a tributary of the Kuban river). In the 1st century BC during the rule of Pharnaces II of Pontus , King of Siraces Abeacus organized 20,000 horses after the Roman occupation of the Kingdom of Pontus (63–62 BC). They and the Aorsi were merchants who traded with goods of Babylonia and India through the Armenians and Medes , with camels . They profited greatly from this, seen in their clothing attributed with much gold . King Zorsines fought in

8833-650: The Supreme Leader. Iran's foreign relations have been shaped by the Iran–Iraq War (1980–1988), ongoing tensions with the United States, and its nuclear program, which has been a point of contention in international diplomacy. In 1989, Akbar Rafsanjani concentrated on a pro-business policy of rebuilding the economy without breaking with the ideology of the revolution. He supported a free market domestically, favoring privatization of state industries and

8954-521: The Supreme Leader. The President is elected by universal suffrage for 4 years. Before elections , nominees to become a presidential candidate must be approved by the Guardian Council . The Council's members are chosen by the Leader, with the Leader having the power to dismiss the president. The President can only be re-elected for one term. The president is the deputy commander-in-chief of

9075-567: The accompanying Parthian inscription using Aryān , in reference to the Iranians . Ērān and Aryān are oblique plural forms of gentilic nouns ēr- (Middle Persian) and ary- (Parthian), deriving from Proto-Iranian language *arya- (meaning ' Aryan ', i.e. of the Iranians), recognised as a derivative of Proto-Indo-European language *ar-yo- , meaning ' one who assembles (skilfully) ' . According to Iranian mythology ,

9196-641: The amount of North Atlantic depressions that reach the interior, and they in turn are affected by cycles of the North Atlantic oscillation . Thus levels in the Caspian Sea relate to atmospheric conditions in the North Atlantic, thousands of kilometres to the northwest. The last short-term sea-level cycle started with a sea-level fall of 3 m (10 ft) from 1929 to 1977, followed by a rise of 3 m (10 ft) from 1977 until 1995. Since then smaller oscillations have taken place. A study by

9317-673: The assault continues as the Romans decline), Zorsines finally decides to leave Mithridates to rule his paternal lands, after giving hostages to the Romans and thus making peace. He acknowledged Roman superiority before the image of Emperor Claudius and the power of the Siraces is greatly weakened. They were the most hellenized of the Sarmatians , and maintained good relations with the Bosporans . Ptolemy mentions their colony in Sinai in

9438-736: The capital (Persian: مرکز , markaz ) of that province. The provincial authority is headed by a governor-general ( استاندار ostândâr ), who is appointed by the Minister of the Interior subject to approval of the cabinet . Iran maintains diplomatic relations with 165 countries , but not the United States and Israel —a state which Iran derecognised in 1979. Iran has an adversarial relationship with Saudi Arabia due to different political and ideologies. Iran and Turkey have been involved in modern proxy conflicts such as in Syria , Libya , and

9559-457: The climate to the southwest and south are generally warm with uneven elevation due to a mix of highlands and mountain ranges ; the drastic changes in climate alongside the Caspian have led to a great deal of biodiversity in the region. The Caspian Sea has numerous islands near the coasts, but none in the deeper parts of the sea. Ogurja Ada is the largest island. The island is 37 km (23 mi) long, with gazelles roaming freely on it. In

9680-548: The constitution. The Supreme National Security Council (SNSC) is at the top of the foreign policy decisions process. The council was formed during the 1989 Iranian constitutional referendum for the protection and support of national interests, the revolution, territorial integrity and national sovereignty. It is mandated by Article 176 of the Constitution to be presided over by the President . The Leader selects

9801-423: The country to burn in their houses. This oil is black and is called nefte . There is also by the town of Baku, another kind of oil which is white and very precious [i.e., petroleum ]." Today, oil and gas platforms abound along the edges of the sea. During the rule of Peter I the Great , Fedor I. Soimonov was a pioneering explorer of the sea. He was a hydrographer who charted and greatly expanded knowledge of

9922-486: The current Caspian Sea and either the Arctic Ocean or North Sea , or the Black Sea . This is supported by the existences of current endemic, oceanic species such as lagoon cockles which was genetically identified to originate in the Caspian and Black Seas regions. The sea's basin (including associated waters such as rivers) has 160 native species and subspecies of fish in more than 60 genera . About 62% of

10043-440: The entire country as Persia , until 1935, when Reza Shah requested the international community to use its native and original name, Iran ; Iranians called their nation Iran since at least 1000 BC. Today, both Iran and Persia are used culturally, while Iran remains mandatory in official use. The Persian pronunciation of Iran is [ʔiːˈɾɒːn] . Commonwealth English pronunciations of Iran are listed in

10164-586: The executive of affairs such as signing treaties and other international agreements, and administering national planning, budget, and state employment affairs, all as approved by the Rahbar. The President appoints ministers, subject to the approval of the Parliament, and the Rahbar, who can dismiss or reinstate any minister. The President supervises the Council of Ministers , coordinates government decisions, and selects government policies to be placed before

10285-586: The fish stocks, since it targets reproductive females. Reptiles native to the region include the spur-thighed tortoise ( Testudo graeca buxtoni ) and Horsfield's tortoise . The main geologic history locally had two stages. The first is the Miocene , determined by tectonic events that correlate with the closing of the Tethys Sea . The second is the Pleistocene noted for its glaciation cycles and

10406-656: The full run of the present Volga. During the first stage, the Tethys Sea had evolved into the Sarmatian Lake, that was created from the modern Black Sea and south Caspian, when the collision of the Arabian peninsula with West Asia pushed up the Kopet Dag and Caucasus Mountains , lasting south and west limits to the basin. This orogenic movement was continuous, while the Caspian was regularly disconnected from

10527-509: The green belt of the north side of the country; the Turan region, which are mainly scattered in the center of Iran; Zagros region , which mainly contains oak forests in the west; the Persian Gulf region , which is scattered in the southern coastal belt; the Arasbarani region , which contains rare and unique species. More than 8,200 plant species are grown. The land covered by natural flora

10648-516: The head of the Supreme Court and chief public prosecutor. There are several types of courts, including public courts that deal with civil and criminal cases, and revolutionary courts which deal with certain offences, such as crimes against national security . The decisions of the revolutionary courts are final and cannot be appealed. The Chief Justice is the head of the judicial system and responsible for its administration and supervision. He

10769-485: The isthmus that cuts it off from the Caspian. Differences between the three regions are dramatic. The Northern Caspian only includes the Caspian shelf, and is very shallow; it accounts for less than 1% of the total water volume with an average depth of only 5–6 m (16–20 ft). The sea noticeably drops off towards the Middle Caspian, where the average depth is 190 m (620 ft). The Southern Caspian

10890-498: The legislature. Eight Vice Presidents serve under the President, as well as a cabinet of 22 ministers, all appointed by the president. Presidential and parliamentary candidates must be approved by the 12-member Guardian Council (all members of which are appointed by the Leader) or the Leader, before running to ensure their allegiance. The Leader rarely does the vetting, but has the power to do so, in which case additional approval of

11011-655: The military or used for wildlife protection, and entry is prohibited or requires a permit. Iran took control of Bumusa , and the Greater and Lesser Tunbs in 1971, in the Strait of Hormuz between the Persian Gulf and Gulf of Oman. Despite the islands being small and having little natural resources or population, they are highly valuable for their strategic location. Although the United Arab Emirates claims sovereignty, it has consistently been met with

11132-441: The most famous animals is the critically endangered Asiatic cheetah , which survives only in Iran. Iran lost all its Asiatic lions and the extinct Caspian tigers by the early 20th century. Domestic ungulates are represented by sheep , goat , cattle , horse , water buffalo , donkey and camel . Bird species like pheasant , partridge , stork , eagles and falcons are native. The Supreme Leader , "Rahbar", Leader of

11253-453: The mountains of the west, which are also rich in hydroelectricity sources. Iran has high fossil fuel energy potential. It has reserves of 137.5 billion barrels of crude oil , the fourth largest in the world, producing around four million barrels a day. Iran has an estimated 988.4 trillion cubic feet of natural gas , around 16 percent of world reserves, thus key to current paradigms in global energy security. Russia's economy ranks as

11374-744: The name comes from Iraj , a legendary king. Iran was referred to as Persia by the West , due to Greek historians who referred to all of Iran as Persís , meaning 'the land of the Persians '. Persia is the Fars province in southwest Iran, the 4th largest province, also known as Pârs . The Persian Fârs (فارس), derived from the earlier form Pârs (پارس), which is in turn derived from Pârsâ ( Old Persian : 𐎱𐎠𐎼𐎿). Due to Fars' historical importance, Persia originated from this territory through Greek in around 550 BC, and Westerners referred to

11495-557: The national budget. All parliamentary candidates and legislation from the assembly must be approved by the Guardian Council . The Guardian Council can and has dismissed elected members of the parliament. The parliament has no legal status without the Guardian Council, and the Council holds absolute veto power over legislation. The Expediency Discernment Council has the authority to mediate disputes between Parliament and

11616-527: The north of the Caspian Sea between the 7th and 10th centuries. In Iran, the lake is referred to as the Mazandaran Sea ( Persian : دریای مازندران ), after the historic Mazandaran Province at its southern shores. Old Russian sources use the Khvalyn or Khvalis Sea ( Хвалынское море / Хвалисское море ) after the name of Khwarezmia . Among Greeks and Persians in classical antiquity it

11737-557: The north with a collective land area of roughly 2,000 km (770 sq mi). Adjacent to the North Caspian is the Caspian Depression , a low-lying region 27 m (89 ft) below sea level . The Central Asian steppes stretch across the northeast coast, while the Caucasus mountains hug the western shore. The biomes to both the north and east are characterized by cold, continental deserts. Conversely,

11858-475: The north, the Caspian Sea water is almost fresh in its northern portions, getting more brackish toward the south. It is most saline on the Iranian shore, where the catchment basin contributes little flow. Currently, the mean salinity of the Caspian is one third that of Earth's oceans. The Garabogazköl lagoon , which dried up when water flow from the main body of the Caspian was blocked in the 1980s but has since been restored, routinely exceeds oceanic salinity by

11979-529: The president. Regional policy is directly controlled by the Rahbar, with the Ministry of Foreign Affairs' task limited to protocol and ceremonial occasions. Ambassadors to Arab countries, for example, are chosen by the Quds Force , which directly reports to the Rahbar. The Rahbar can order laws to be amended. Setad was estimated at $ 95 billion in 2013 by Reuters, accounts of which are secret even to

12100-706: The remaining coast of the Persian Gulf, the Strait of Hormuz , and Gulf of Oman. Iranian islands are mainly located in the Persian Gulf. Iran has 102 islands in Urmia Lake , 427 in Aras River , several in Anzali Lagoon , Ashurade Island in the Caspian Sea , Sheytan Island in the Oman Sea and other inland islands. Iran has an uninhabited island at the far end of the Gulf of Oman , near Pakistan. A few islands can be visited by tourists. Most are owned by

12221-518: The rising of the Caspian in the 10th century caused the coastal towns of Khazaria to flood, resulting in the Khazars losing approximately two-thirds of their territory due to flooding. Over the centuries, Caspian Sea levels have changed in synchrony with the estimated discharge of the Volga, which in turn depends on rainfall levels in its vast catchment basin. Precipitation is related to variations in

12342-470: The rock art on Kichikdash Mountain which is assumed to depict either a beaked whale or a dolphin , it may represent the famous beluga sturgeon instead due to its size (430 cm in length). These petroglyphs may suggest potential presences of oceanic faunas in the Caspian Sea presumably until the Quaternary or even the last glacial period or antiquity due to historic marine inflow between

12463-496: The sea. He drew a set of four maps and wrote Pilot of the Caspian Sea , the first lengthy report and modern maps. These were published in 1720 by the Russian Academy of Sciences . Countries in the Caspian region, particularly Azerbaijan , Kazakhstan and Turkmenistan , have high-value natural-resource-based economies, where the oil and gas compose more than 10 percent of their GDP and 40 percent of their exports. All

12584-690: The second century. In 193 AD, after another conflict in the Bosporus, the Siraces disappears from the history. See Marek Jan Olbrycht, Die Aorser, die Oberen Aorser und die Siraker bei Strabon. Zur Geschichte und Eigenart der Völker im nordostpontischen und nordkaukasischen Raum im 2.-1. Jh. v. Chr. [The Aorsians, the Upper Aorsians, and the Sirakians in Strabo. On the History and Characteristics of

12705-619: The secretary of the Supreme Council, and the decisions of the council are effective after the confirmation by the Leader. The SNSC formulates nuclear policy, and would become effective if they are confirmed by the Leader. The legislature , known as the Islamic Consultative Assembly (ICA), Iranian Parliament or "Majles", is a unicameral body comprising 290 members elected for four-years. It drafts legislation, ratifies international treaties , and approves

12826-580: The south. The Iranian city of Qazvin shares the root of its name with this common name for the sea. The traditional and medieval Arabic name for the sea was Baḥr ('sea') Khazar , but in recent centuries the common and standard name in Arabic language has become بحر قزوين Baḥr Qazvin , the Arabized form of Caspian. In modern Russian language, it is known as Russian : Каспи́йское мо́ре , Kaspiyskoye more . Some Turkic ethnic groups refer to it with

12947-405: The southern portions of the Caspian Sea. The Caspian has characteristics common to both seas and lakes. It is often listed as the world's largest lake, although it is not freshwater : the 1.2% salinity classes it with brackish water bodies. It contains about 3.5 times as much water, by volume, as all five of North America's Great Lakes combined. The Volga River (about 80% of the inflow) and

13068-905: The species and subspecies are endemic , as are 4–6 genera (depending on taxonomic treatment). The lake proper has 115 natives, including 73 endemics (63.5%). Among the more than 50 genera in the lake proper, 3–4 are endemic: Anatirostrum , Caspiomyzon , Chasar (often included in Ponticola ) and Hyrcanogobius . By far the most numerous families in the lake proper are gobies (35 species and subspecies), cyprinids (32) and clupeids (22). Two particularly rich genera are Alosa with 18 endemic species/subspecies and Benthophilus with 16 endemic species. Other examples of endemics are four species of Clupeonella , Gobio volgensis , two Rutilus , three Sabanejewia , Stenodus leucichthys , two Salmo , two Mesogobius and three Neogobius . Most non-endemic natives are either shared with

13189-421: The sturgeon population to the point that environmentalists advocate banning sturgeon fishing completely until the population recovers. The high price of sturgeon caviar – more than 1,500 Azerbaijani manats (US$ 880 as of April 2019 ) per kilo – allows fishermen to afford bribes to ensure the authorities look the other way, making regulations in many locations ineffective. Caviar harvesting further endangers

13310-537: The time of the Pliocene-Pleistocene transition. During warm and dry climatic periods, the landlocked sea almost dried up, depositing evaporitic sediments like halite that were covered by wind-blown deposits and were sealed off as an evaporite sink when cool, wet climates refilled the basin. (Comparable evaporite beds underlie the Mediterranean .) Due to the current inflow of fresh water in

13431-573: The west part. The UN Resident Coordinator for Iran, has said that " Water scarcity poses the most severe human security challenge in Iran today". To the west, settlements in the Zagros basin experience lower temperatures, severe winters with freezing average daily temperatures and heavy snowfall. The east and central basins are arid, with less than 200 mm (7.9 in) of rain and have occasional deserts. Average summer temperatures rarely exceed 38 °C (100.4 °F). The southern coastal plains of

13552-496: The west, Azerbaijan , Armenia , the Caspian Sea , and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south. With a multi-ethnic population of almost 90 million in an area of 1,648,195 km (636,372 sq mi), Iran ranks 17th globally in both geographic size and population . It is the sixth-largest country entirely in Asia and one of

13673-477: The world's most mountainous countries. Officially an Islamic republic , Iran has a Muslim-majority population . The country is divided into five regions with 31 provinces . Tehran is the nation's capital , largest city and financial center . A cradle of civilization , Iran has been inhabited since the Lower Palaeolithic . The large part of Iran was first unified as a political entity by

13794-451: The world's longest caves. Iran's climate is diverse, ranging from arid and semi-arid , to subtropical along the Caspian coast and northern forests. On the north edge of the country, temperatures rarely fall below freezing and the area remains humid. Summer temperatures rarely exceed 29 °C (84.2 °F). Annual precipitation is 680 mm (26.8 in) in the east part of the plain and more than 1,700 mm (66.9 in) in

13915-458: Was a mud volcano which spewed both mud and flammable gas. It is calculated that during the 21st century, the water level of the Caspian Sea will decrease by 9–18 m (30–60 ft) due to the acceleration of evaporation due to global warming and the process of desertification , causing an ecocide . On October 23, 2021, Kazakhstan President Kassym-Jomart Tokayev signed the Protocol for

14036-517: Was convened on August 12, 2019, in Turkmenistan and brought together representatives of Kazakhstan, Russia, Azerbaijan, Iran and that state. It hosted several meetings of their ministers of economy and transport. Iran Iran , officially the Islamic Republic of Iran ( IRI ), also known as Persia , is a country in West Asia . It borders Turkey to the northwest and Iraq to

14157-511: Was elected to office. Iran has an area of 1,648,195 km (636,372 sq mi). It is the sixth-largest country entirely in Asia and the second-largest in West Asia. It lies between latitudes 24° and 40° N , and longitudes 44° and 64° E . It is bordered to the northwest by Armenia (35 km or 22 mi), the Azeri exclave of Nakhchivan (179 km or 111 mi), and

14278-648: Was known for his hardline views, nuclearisation, and hostility towards Israel , Saudi Arabia , the UK , the US and other states. He was the first president to be summoned by the parliament to answer questions regarding his presidency. In 2013, centrist and reformist Hassan Rouhani was elected president. In domestic policy, he encouraged personal freedom, free access to information, and improved women's rights. He improved Iran's diplomatic relations through exchanging conciliatory letters. The Joint Comprehensive Plan of Action (JCPOA)

14399-658: Was reached in Vienna in 2015, between Iran, the P5+1 ( UN Security Council + Germany) and the EU. The negotiations centered around ending the economic sanctions in exchange for Iran's restriction in producing enriched uranium . In 2018, however, the US under Trump Administration withdrew from the deal and new sanctions were imposed. This nulled the economic provisions, left the agreement in jeopardy, and brought Iran to nuclear threshold status . In 2020, IRGC general, Qasem Soleimani ,

14520-686: Was the Hyrcanian ocean. Renaissance European maps labelled it as the Abbacuch Sea (Oronce Fine's 1531 world map), Mar de Bachu (Ortellius' 1570 map), or Mar de Sala (the Mercator 1569 world map ). It was also sometimes called the Kumyk Sea and Tarki Sea (derived from the name of the Kumyks and their historical capital Tarki ). The Caspian Sea is at its South Caspian Basin , like

14641-642: Was the largest drone strike in history, biggest missile attack in Iranian history, its first ever direct attack on Israel and the first time since 1991 , Israel was directly attacked by a state force. This occurred during heightened tensions amid the Israeli invasion of the Gaza Strip . In May 2024, President Raisi was killed in a helicopter crash , and Iran held a presidential election in June, when reformist and former Minister of Health , Masoud Pezeshkian ,

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