Demetrios I also Dimitrios I or Demetrius I, born Demetrios Papadopoulos (Greek: ??µ?t???? ?', ??µ?t???? ?apad?p?????; September 8, 1914 – October 2, 1991) was the Ecumenical Patriarch of Constantinople from July 16, 1973, to October 2, 1991.
He was the 269th successor to St.
Andrew (the apostle to whom the See of Constantinople traces its roots), and was the spiritual leader of more than 250 million Eastern Orthodox Christians.
Before his election as Patriarch he served as Metropolitan Bishop of Imvros.