Hierapolis /ˌhaɪəˈræpəlɪs/ (Ancient Greek: Ιεράπολις Ierapolis) or Hieropolis (Ιερόπολις) was a town of the Phrygian Pentapolis in ancient Phrygia, inhabited during Roman and Byzantine times. Its bishop in the late 2nd century AD was Abercius, the subject of a famous inscription.

Its site is located near Koçhisar in Asiatic Turkey.

38°27′42″N 30°11′52″E / 38.461767°N 30.197699°E / 38.461767; 30.197699