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.
List of countries where Arabic is an official language
The constitution of the Islamic Republic of Iran recognizes the Arabic language as the language of Islam, giving it a formal status as the language of religion, and regulates its spreading within the Iranian national curriculum. The constitution declares in Chapter II: (The Official Language, Script, Calendar, and Flag of the Country) in Article 16 ""Since the language of the Qur`an and Islamic texts and teachings is Arabic, ..., it must be taught after elementary level, in all classes of secondary school and in all areas of study.""