Literature in Iran
Persian is Iran's official language and the language of the country's ethnic majority (i.e., the Persians), and Persian literature has been the country's most influential literary tradition. Apart from Iran, Persian literature was used and developed further through several medieval Persianate societies in Asia Minor, Central Asia, and South Asia, and the language is still used widely in Central Asia (Tajikistan and Uzbekistan) and Afghanistan.
Ethnic minorities in Iran
The Constitution of Iran guarantees freedom of cultural expression and linguistic diversity. Many Iranian provinces have radio and television stations in local language or dialect. School education is in Persian, the official language, but use of regional languages is allowed under the constitution of the Islamic Republic, and Azeri language and culture is studied at universities and other institutions of higher education. Article 15 of the constitution states: