Which of these has its entrance in Piyer Loti Caddesi, Hagia Sophia or Theodosius Cistern?
Theodosius Cistern The Theodosius Cistern (Greek: Κινστέρνα Θεοδοσίου , Turkish: Şerefiye Sarnıcı ) is one of many ancient cisterns of Constantinople that lie beneath the city of Istanbul, Turkey. The modern entrance is in Piyer Loti Caddesi, Fatih.
Gregory VI of Constantinople Gregory VI (Greek: Γρηγόριος ΣΤ΄), baptismal name Georgios Fourtouniadis (Greek: Γεώργιος Φουρτουνιάδης; March 1, 1798 - June 8, 1881) was Ecumenical Patriarch in the periods 1835-1840 and 1867-1871.