Hierapolis or Hieropolis (Greek for sacred/Holy city) may refer to these Ancient cities in different Roman provinces of the Hellenistic world, and several former (now titular) (arch)bishoprics having see in such city :

in modern Turkey

• Hierapolis, in Phrygia Pacatiana Secunda, near modern Pamukkale, south-western Turkey.
  • Hierapolis in Phrygia remains a Latin Catholic Metropolitan titular archbishopric
• Hierapolis ad Pyramum or Castabala, in Cilicia Secunda, near modern Adana, south-east Turkey
  • a Latin Catholic titular bishopric, but under the name Castabala
• Hierapolis in Isauria,
  • a Latin Catholic Titular bishopric with see in the above city
• Hierapolis of the Phrygian Pentapolis, modern Koçhisar, Sandıklı, near Afyonkarahisar, central Turkey
• Hieropolis Comana, in Cappadocia (central Turkey)

in modern Syria

• Hierapolis Euphratensis or Hierapolis Bambyce, in Roman Syria Euphratensis Prima, modern Manbij, north-central Syria
• as Hierapolis in Syria, the above city is the nominal see of three Catholic successor titular sees :
  • the Latin Catholic Metropolitan titular archbishopric of Hierapolis of the Romans
  • the Melkite Catholic Titular Archbishopric of Hierapolis of the Melkites
  • the Syrian Titular Bishopric of Hierapolis of the Syrians

See also

• Hierakonpolis, a Hellenistic city of Upper Egypt