 The Epistle to the Galatians, Epistle to the Ephesians, Epistle to the Colossians, First Epistle of Peter, and Book of Revelation are addressed to recipients in the territory of modern Turkey.Additionally, all of the first Seven Ecumenical Councils that define Christianity for Eastern Orthodox and Catholic Christians took place in the territory that is now Turkey.Many titular sees exist in Turkey, as Anatolia was historically home to a large Christian population for centuries.