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.
Culture of Azerbaijan
Azerbaijani Literature refers to the literature written in Azerbaijani, which currently is the official state language of the Republic of Azerbaijan and is spoken by about a quarter of the population of Iran. Its closest relatives are Turkish and Turkmen.
Azeri is a dialect of Oghuz branch of Turkic languages, and as such, is mutually intelligible with other Oghuz dialects spoken in Turkey, Iran, Turkmenistan, Georgia, Uzbekistan, Afghanistan, Russia, the Balkans and the Middle East.