Ubicación: Middle East, bordering the Gulf of Oman, the Persian Gulf, and the Caspian Sea, between Iraq and Pakistan
Coordenadas geográficas: 32° 0' N, 53° 0' E
Km de línea costera: 2,440 km; note - Iran also borders the Caspian Sea (740 km) km
Clima: mostly arid or semiarid, subtropical along Caspian coast
Terreno: rugged, mountainous rim; high, central basin with deserts, mountains; small, discontinuous plains along both coasts
Cumbres: lowest point: Caspian Sea -28 m highest point: Kuh-e Damavand 5,671 m
Riesgos naturales: periodic droughts, floods; dust storms, sandstorms; earthquakes
Moneda: Iranian rial (IRR)
Población: 65,397,521 (July 2007 est.)
Lenguas: Persian and Persian dialects 58%, Turkic and Turkic dialects 26%, Kurdish 9%, Luri 2%, Balochi 1%, Arabic 1%, Turkish 1%, other 2%
Capital: Tehran
División administrativa: 30 provinces: Ardabil, Azarbayjan-e Gharbi, Azarbayjan-e Sharqi, Bushehr, Chahar Mahall va Bakhtiari, Esfahan, Fars, Gilan, Golestan, Hamadan, Hormozgan, Ilam, Kerman, Kermanshah, Khorasan-e Janubi, Khorasan-e Razavi, Khorasan-e Shemali, Khuzestan, Kohgiluyeh va Buyer Ahmad, Kordestan, Lorestan, Markazi, Mazandaran, Qazvin, Qom, Semnan, Sistan va Baluchestan, Tehran, Yazd, Zanjan