The Church of the Pammakaristos (“All Blest Mother of God”) is a complex of medieval Byzantine structures at the north-west tip of the walled city. It was the seat of the Ecumenical Patriarchate from 1456 to 1587. Today, the 11th-century main church serves as a mosque, but the 14th-century parrakklesion (side chapel) has been restored to its…