Qom is a city in the Central District of Qom County, Qom province, Iran, serving as capital of the province, the county, and the district. It is the seventh largest metropolis and also the seventh largest city in Iran. The city is 140 km to the south of Tehran, and on the banks of the Qom River.
In antiquity the Qom region was a stronghold of the cult of Anahita, the Iranian goddess of fertility. André Godard has reported about an Anahita temple along the Qom River. A district called Taraznahid, close to Qom, is also connected to the goddess. From Wikipedia