In the last years Damghan was one city of Qvms state and it have been considered the center of this state. Damghan is one of the oldest cities in Iran and has had special important from past until now. The city's name has been taken from Meghan means fire-worshipers that was popular as Deh-Meghan. Later because of time passing – H letter was gone and has been replaced by A letter. Damghan building is attributed to Hooshang Nabireh Kiomars who was one king of Pishdadi dynasty. Once it was Parthian capital city, also Damghan has been considered fourth climate component. Damghan name has been explained in most of geographical and historical books that all of them refer to Damghan ancient city importance.