Changes After Construction
It was a Byzantine church from the 13th century.
It was converted into a mosque after the Conquest of Istanbul.
It was used as a warehouse for IETT (The Istanbul Electricity, Tram and Tunnel Establishments) for a while.
It has been used as a mosque since 1996.
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It is also known as the "Monastery Mosque" and "Church Mosque".
The church has a rectangular basilica plan in the east-west direction.
There is a narthex to the west and three semicircular apses to the east.
The side apses are difficult to distinguish because they are more superficial than the main apse.
The top of the building, which consists of a single room following a front hall, has a wooden roof and is covered with tiles.
Although it is known that the rectangular planned and wooden ceiling building used to have a minaret, it does not currently have one.
