It is the church of the Monastery of St. Aikaterini of Sinai and it is situated in the northeastern corner of the square of the cathedral church of St. Minas. It is a type of basilica with a vertical aisle which the northern part has been formed, with a dome, into a chapel of Sts. Deka. The church has been established in the 2nd Byzantine period and it became a spiritual and cultural centre from the 15th to the 17th century. With its income, the church was in a position to support a number of monks. During the Turkish period it was changed into a mosque, known by the name Zoulfiakar Ali Pasha. Today it houses an exhibition with representative art work of the Cretan renaissance amongst which a special place hold the fine work of Michael Damaskinos. There is also a collection with ecclesiastical vessels, books, sacerdotal vestments and frescoes that have been placed there from elsewhere.