Hamashahr (Persian: هماشهر) is a city in, and the capital of, Hamaijan District of Sepidan County, Fars province, Iran. It also serves as the administrative center for Hamaijan Rural District. Hamahahr is the merger of the villages of Damqanat, Deh Bid, Dehpagah, Qaleh-ye Abbasabad, and Qaleh-ye Tiskhani.