Ceretapa
Byzantine Empire
Ceretapa or Keretapa (ὰ), also called Diocaesarea or Diocaesareia or Diokaisareia, was a Graeco-Roman town of Phrygia Pacatiana. It minted coins bearing the demonym. The coins also show that there was near it a river or fountain Aulindenus. It was a bishopric with Silvanus representing the city at the Council of Ephesus, 431. No longer the seat a residential bishop, it remains a titular see of the Roman Catholic Church. Its site is tentatively located near Kayadibi in Asiatic Turkey.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).