The Kurdish people of [ran occupy a vast area from the northernmost borderline of Azarbaijan to the hot plain of Khuzes. Descendants other Indo-European tribes that arrived in Iran in the first millennium BC. they speak an Old Persian dialect and regard themselves as the descendants of the Medes. Kurds are to be found mainly in Iran, Iraq, and Turkey. In Iran, they consist of many tribes, of which the chief branches are:
.The northern Kurds of Maku and northwestern Azarbaijan;

.The Mahabad Kurds, dwelling in the area between Lake Orumieh and the mountains of Kurdestan proper and the Khorassan;
.The Kurds of Sanandaj with sub- divisions in Paveh, Saqqez, and the Iraqi border;
.The Kurds of Kerrnanshah, from the Zagros Mountains to the Khuzestan plain.