Sancaktar Hayrettin Mosque Database image

Sancaktar Hayrettin Mosque

The Sancaktar Hayrettin Mosque is part of a former Eastern Orthodox monastery in Constantinople, converted into a mosque by the Ottomans.

It is generally believed that the small building belonged to the Byzantine Monastery of Gastria. The edifice is a minor example of Palaiologan architecture in Constantinople.


  • Sancaktar is Turkish for "standard-bearer".


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