Toklu Dede Mosque, Byzantine mosque in Ayvansaray, Turkey.
The south wall of the former mosque stands enclosed within a modern house along Toklu Ibrahim Dede Street near the Golden Horn shoreline.
Originally constructed as a Byzantine church during the Komnenian era, the structure was converted into a mosque after the Ottoman conquest of Constantinople in 1453.
The building contained fourteenth-century frescoes depicting six saints and a Nativity scene before its transformation into an Islamic place of worship.
Located at coordinates 41.039528, 28.942472, the remaining section measures 14.2 meters by 6.7 meters with its original rectangular layout.
The mosque's construction incorporated stamped bricks from the fifth and sixth centuries, revealing the reuse of materials from earlier structures.
Architectural style: Byzantine architecture
GPS coordinates: 41.03953,28.94247
Latest update: March 7, 2025 13:32
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