a city in and the capital of Iran, in the N part: wartime conference of Roosevelt, Churchill, and Stalin 1943.
a republic in SW Asia. About 635,000 sq. mi. (1,644,650 sq. km). Capital: Teheran.
the capital of Iran, at the foot of the Elburz Mountains: built on the site of the ancient capital Ray, destroyed by Mongols in 1220; became capital in the 1790s; three universities. Pop: 7 352 000 (2005 est)
a republic in SW Asia, between the Caspian Sea and the Persian Gulf: a monarchy until an Islamic revolution in 1979 headed by the Ayatollah Khomeini when the Shah was obliged to leave the country. Consists chiefly of a high central desert plateau almost completely surrounded by mountains, a semitropical fertile region along the Caspian coast, and a hot and dry area beside the Persian Gulf. Oil is the most important export. Official language: Persian (Iranian or Farsi). Official religion: Muslim majority. Currency: rial. Capital: Tehran. Pop: 79 853 900 (2013 est). Area: 1 647 050 sq km (635 932 sq miles) Former name (until 1935) Persia Official name Islamic Republic of Iran See also Persian Empire