 An acropolis located there dates back to the Bronze Age.Perga was an ancient and important city of Pamphylia, between the rivers Catarrhactes and Cestrus (Turkish Aksu Çayı).A treaty between the Hittite Great King Tudhaliya IV and his vassal, the king of Tarhuntassa, defined the latter's western border at the city "Parha" and the "Kastaraya River".