 It got its name from the fortress (fortress) built on the island in the middle of the lake, 6 km from the district.In 2016, the population of the district was recorded as 22,485 persons.Gölhisar District is located in the Dalaman Stream Water Collection Basin at the foothills of the Western Taurus Mountains, 107 to Burdur, 111 to Denizli, 90 to Fethiye, 135 km to Antalya, southwest of Burdur.