
Western Iran consists ofArmenian Highlands, northernZagros, and the rich agricultural area of theKhuzestan Plain in the south.
It includes the provinces ofKordestan,Kermanshah,Ilam,Lorestan, andHamadan. Some references also countWest Azerbaijan Province andKhuzestan Province to this region.
The major cities areSanandaj,Kermanshah,Ilam,Khorramabad,Hamadan, sometimesUrmia andAhvaz.