THE MOSAIC ICON OF PANAGIA PAMMAKARISTOS. The famous Byzantine church of St. Mary Pammakaristos, where the Patriarchate was sheltered after the My story on the Tate gallery website on 2013-11-11. Read more » Fethiye Camii/Church of the Virgin Pammakaristos/Church of the Theotokos Pammakaristos. 24 Apr 2011 9 Nov 2017 One of the most important Greek Orthodox Byzantine churches in Istanbul, the Pammakaristos is still a bit of a secret.The Monastery of the Theotokos Pammakaristos is a Middle Byzantine church in Constantinople, with a richly decorated chapel.