Hamashahr is a city in and the capital of
Hamaijan District, in
Sepidan County,
Fars Province,
Iran. It was formed in 2010 from an amalgamation of the villages of
Deh Bid,
Dehpagah,
Damqanat,
Qaleh-ye Abbasabad, and
Qaleh-ye Tiskhani. As of the 2006 census, the city (the combination of the amalgamated villages) had a population of 2,385, in 549 families.