Conventional Long Form: Islamic Republic of Iran

Conventional Short Form: Iran

Name: Known as Persia until 1935, Iran became the Islamic Republic of Iran after the 1979 Iranian Revolution. Persia was one of the greatest empires of the ancient world.

Capital: Tehran

Date of Admission to the United Nations: 24 October 1945

Geographical Size: 1,648,195 sq km

Population: 82 million

Major and Official Language: Persian

Major Religion: slam (predominantly the Shia interpretation of Islam)

Ethnic Groups: Persian, Azeri, Kurd, Lur, Balouch, Arab, Turkmen

Form of Government: …