Helenopolis
Sign in to saveAlso known as Hellenopolis, Drepanon, Drepanum
ancient city of Bithynia in modern-day Turkey
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Catholic titular sees in AsiaDefunct dioceses of the Ecumenical Patriarchate of ConstantinopleFormer populated places in TurkeyHelena, mother of Constantine IHistory of Christianity in TurkeyPopulated places in BithyniaPopulated places of the Byzantine EmpireRoman BithyniaRoman towns and cities in Turkey