Islamic Ideology Dissemination Organization

The Islamic Ideology Dissemination Organization (IIDO; Persian: Sazman-e Tablighat-e Eslami) is a state body subordinate to the Office of the Supreme Leader responsible for promoting the Islamic Republic's ideological and cultural messaging. Established in 1981, the IIDO oversees a wide range of propaganda and cultural activities including publications, art exhibitions, religious ceremonies, and media. It is the parent organization of Mehr News Agency, Iran's largest official news wire. Ali Khamenei exercises ultimate authority over the IIDO as Supreme Leader.