On the South corner of the nave, there is a bronze grilled library of Sultan Mahmud I. With its Kütahya & Iznik tiles on the inner walls, the library had a capacity of 5000 books which are preserved in the library of Suleymaniye at the moment. A marble tughra (Ottoman Imperial Sign) of Sultan Mahmud I is placed on its eastern wall. The library houses a reading hall and a library.
About the author
Hagia Sophia Research Team (HSRT) consists of a group of people who likes to research Byzantine Heritage in Turkey by visiting and taking photos of the historical places.