Kurdistān province has an area of 29137 square kilometers in western Iran. The province is located on the slopes and ridges of Zagros, north of the provinces of West Āzerbāijān and Zanjān, from the east to Hamadan and Zanjān, from the south to Kermanshah province and from the west to Iraq. The center of the province is Sanandaj city.
Kurdistan Province is entirely a mountainous region that can be divided into two western and eastern sections from topographical points of view, which are located in the east and west of Sanandaj. Consequently, Kurdistān has always attracted a large number of tourists and fans of mountaineering, ski, and water-sports. Kurdistan has a generally mild and quite pleasant climate throughout the spring and summer. Winters are long and can be very cold with heavy snowfalls.
Kurds are Aryan tribes who migrated to the region several thousand years ago. Situated on the ancient Silk Road, on the northern edge of the fertile ent. Kurdistān grew to be a prosperous area during the middle Ages. In the early Islamic period, 637-641, all Kurdish castles and fortifications as well as major cities were occupied by Arabs. In 634 when Arabs attacked Fars, Kurdish people of this state took part in the war against Arabs for defending the city of Fasa. Finally, Arabs defeated Kurds in the year 636. During the reign of Shah Ismail I, the founder of Safavid dynasty, Ottoman Caliphs supported Sunnite Kurds against Shiite government of Safavid. With the establishment of Zand dynasty a Kurdish dynasty took the throne.
The Kurdish people are the majority population in this province, and they speak Sorani-Kurdish which is a northwestern Iranian language. The Kurdish language is categorized under the Indo-European group of languages, with a distinctive grammatical form. This language has various branches in Iran, such as the Sorani, Hewrami, Feyli, Kalhuri and Kurmanji. Majority of the people in Kurdistan province speak variants of Sorani Kurdish,sometime called as Ardalani dialect.