iran, also known as persia and officially as the islamic republic of iran, is a country located in western asia.it is bordered by iraq and turkey to the west, by azerbaijan and armenia to the northwest, by the caspian sea and turkmenistan to the north, by afghanistan and pakistan to the east, and by the gulf of oman and the persian gulf to the south.it covers an area of 1.64 million square kilometres (0.63 million square miles), making it the 17th-largest country.iran has an estimated population of 86.8 million, making it the 17th-most populous country in the world, and the second-largest in the middle east.its largest cities, in descending order, are the capital tehran, mashhad, isfahan, karaj, shiraz, tabriz and ahvaz.the country is home to one of the world's oldest civilizations, beginning with the formation of the elamite kingdoms in the fourth millennium bc.it was first unified by the medes, an ancient iranian people, in the seventh century bc, and reached its territorial height in the sixth century bc, when cyrus the great founded the achaemenid persian empire, which became one of the largest empires in history and a superpower.the achaemenid empire fell to alexander the great in the fourth century bc and was subsequently divided into several hellenistic states.an iranian rebellion established the parthian empire in the third century bc, which was succeeded in the third century ad by the sassanid empire, a major world power for the next four centuries.arab muslims conquered the empire in the seventh century ad, which led to the islamization of iran.it subsequently became a major center of islamic culture and learning, with its art, literature, philosophy, and architecture spreading across the muslim world and beyond during the islamic golden age.over the next two centuries, a series of native iranian muslim dynasties emerged before the seljuk turks and the mongols conquered the region.in the 15th century, the native safavids re-established a unified iranian state and national identity, and converted the country to shia islam.under the reign of nader shah in the 18th century, iran presided over the most powerful military in the world, though by the 19th century, a series of conflicts with the russian empire led to significant territorial losses.the early 20th century saw the persian constitutional revolution.efforts to nationalize its fossil fuel supply from western companies led to an anglo-american coup in 1953, which resulted in greater autocratic rule under mohammad reza pahlavi and growing western political influence.he went on to launch a far-reaching series of reforms in 1963.after the iranian revolution, the current islamic republic was established in 1979 by ruhollah khomeini, who became the country's first supreme leader.the government of iran is an islamic theocracy that includes some elements of a presidential system, with the ultimate authority vested in an autocratic 'supreme leader' (rahbar); a position held by ali khamenei since khomeini's death in 1989.the iranian government is authoritarian, and has received criticism for its significant constraints and abuses against human rights and civil liberties, including several violent suppressions of mass protests, unfair elections, limited rights for women and for children as well as for its mass executions, the second largest in the world.it is also a focal point for shia islam within the middle east, countering the long-existing arab and sunni leadership in the region.since the iranian revolution, the country is widely considered to be the most determined adversary of israel and also of saudi arabia.iran is regarded as a key player in west asia's geo-politics, with its government widely condemned for pursuing an aggressive foreign policy in its neighborhood, marked by supporting numerous shia jihadist groups like hezbollah, houthis and kata'ib hezbollah.
iraq | leadername | fuad masum
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