Hadrianeia
Dursunbey district, Turkey
Hadriania or Hadrianeia (Ἁ) was a town of ancient Mysia. It was the seat of a bishop from an early date. No longer a residential see, it remains a titular see of the Roman Catholic Church. Its site is located near Dursunbey in Asiatic Turkey.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).