The Zazas are a community who identifies as ethnic Kurds. Their language Zazaki is a language spoken in eastern Anatolia between the rivers Euphrates and Tigris. It belongs to the northwest-Iranian group of the Iranian language branch of the Indo-European language family. The Zaza language is related to Kurdish, Persian and Balōchi. An exact indication of the number of Zaza speakers is unknown. Internal Zaza sources estimate the total number of Zaza speakers at 3 to 6 million.