The Phrygians founded a temple in Hierapolis ca seventh century BC. The hot springs at Hierapols have been used as a Kurort since the 2nd century BC when the Attalids of Pergamon established the thermal spa.
Sources:
- Ekrem Akurgal, Ancient Civilisations and Ruins of Turkey: From Prehistoric Times Until the End of the Roman Empir, II ed., Istanbul 1970, pp. 175-177
- George E. Bean, Turkey Beyond the Maeander. An Archaeological Guide, London Ernest Jersey 1971, p. 243-245
