Meaning of BITHYNIA in English
a Roman province of Asia Minor. Mentioned only in (Acts 16:7) and in 1Pet 1:1 The chief town of Bithynia was Nicaea, celebrated for the general Council of the Church held there in A.D. 325 against the Arian heresy.
Smith's Bible English dictionary. Английский библейский словарь Смита. 2012