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.
2005 Ahvaz unrest
The Constitution of Iran guarantees freedom of cultural expression and linguistic diversity. Khūzestān Province has radio and television stations in Arabic. School education is in Persian, the official language, but use of Arabic is allowed under the constitution of the Islamic Republic. Article 15 of the constitution states:
However, some human rights groups have accused the Iranian government of discrimination and other human rights violations against Iranian Arabs and violating the constitutional guarantees of equality. Amnesty International says:
According to the US Department of State: 
According to Article 16 of Constitution of the Islamic Republic of Iran, Arabic is taught in all classes of secondary school and in all areas of study including universities.