Persian Language (Fārsī / فارسی) Classification and Language Family The Persian language—known endonymically as Fārsī (فارسی) in Iran, Dari (دری) in Afghanistan, and Tajik (Тоҷикӣ) in Tajikistan—is a member of the Indo-European language family, within the Indo-Iranian branch, and specifically the Iranian group of languages. Within the Iranian languages, Persian belongs to the Southwestern Iranian […]