Iranian Kurdistan or Eastern Kurdistan (Kurdish: ڕۆژھەڵاتی کوردستان, romanized: Rojhilatê Kurdistanê) is an unofficial name for the parts of northwestern Iran with either a majority or sizable population of Kurds. Geographically, it includes the West Azerbaijan Province, Kurdistan Province, Kermanshah Province, Ilam Province and parts of Hamadan Province and Lorestan Province.