The collection "Byzantine Mosaic" includes the texts of public lectures delivered in the academic year 2017-2018 at the meetings of the Hellenic-Byzantine lecture hall "Byzantine Mosaic," held on the basis of the Department of the History of the Ancient World and Middle Ages of Kharkov National University named after V.N. Karazin and St. Panteleimon Church in Kharkov (Kharkov Diocese of the Ukrainian Orthodox Church (Moscow Patriarchate)).