The Kurds reside mainly in Kurdestan. It is a large territory extending to a major part of the mountainous region of southeast Turkey, northeast Iraq, northwest Iran and parts of Russia, as well as Syria. In Iran, the Kurds mainly reside in Kurdestan, Kermanshahan, and south of the Western Azarbaijan province. The Kurds are of Iranian origin. Their language is a North-West Iranian language of the Indo-European family of languages and have several dialects.