The township of Razan is in the extreme north eastern part of Hamedan province and is the neighborhood of the Qazvin province. To the east and north of this township span the mountains of Noubaran, and the famous snow-bound Avaj Gorge is located in these mountains. This is the reason why this township has cold winters and mild, short summers. The city of Razan lies en route between Hamadan and Tehran, 83 km. from Hamadan and 250 km. from Tehran.Razan which was a part of Hamadan township, in the recent years has become itself a township.