These three geographical areas (Firuzabad, Bishapur and Sarvestan) which included the eight archaeological sites located in the southeast of Fars Province. All places like fortified structures, palaces and city plans traced back to the earliest and latest times of the Sassanian Empire. The archaeological landscape reflects Roman art. In addition, the influence of Achaemenid and Parthian cultural traditions which had a significant impact on the architecture of the Islamic era appeared in these places.