The Patriarchal Church of St. George is located in Istanbul, Turkey and serves as the spiritual center of the Eastern Orthodox Church. It is the principal church of the Ecumenical Patriarchate of Constantinople, which is led by the Ecumenical Patriarch. This historic church, built in the 18th century, is known for its beautiful architecture and significant religious artifacts. It houses the relics of several saints and serves as a place of worship and pilgrimage for Orthodox Christians around the world. The church also plays a vital role in preserving the traditions and heritage of the Byzantine Empire.