The township of Damqan is in the center of the province, and lies in a north-south direction. To the north is Mazandaran province, to the south are the desert region and Esfahan province. In the northern sector are the central Alborz Mountain Ranges and the remaining part comprises of desert and waste land. The city of Damqan the center of the said township which is at a distance of 335 km. from Tehran. This city is famous for its pistachio, in the country. In the mountainous area it has a moderate climate, whereas in the southern desert region it is warm. The city is also subjected to dusty, northern winds.
The construction of this city is generally related to 'Hushang' ( a descendent of Kiomars), and is therefore one of the ancient cities of Iran. In the Islamic era it was the center of the 'Gomess' territory and according to some narrations, the primary construction of this city was in the vicinity of Sad Darvazeh.