Changes After Construction
The building was constructed as a masjid in the second half of the 15th century.
A minbar was installed in the 18th century by Seyyid Halil Efendi; with this intervention, the building acquired the function of a mosque.
The building was damaged in the fires that occurred in Fatih; the above-ground remains disappeared, and for a long time only part of the core of the minaret remained standing.
A reconstruction project was prepared and the building was revived; after the revival, the mosque was reopened for worship in 2015.
During the revival process, the graveyard on the south and southwest sides was arranged; the grave in front of the mihrab was uncovered from beneath the soil during the excavation.
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The building is also known as Uzun Yusuf Mosque.
Its wall masonry is in a pattern of two courses of brick and one course of stone; the same masonry logic is also seen in the base of the minaret.
The upper covering is a wooden hipped roof covered with tiles.
In the graveyard are the graves of Uzun Yusuf and his brother; this graveyard is part of the structural whole of the masjid.
In the Ottoman period, the area where the building stood was known as “Yayla”; the building was also recorded under the description “Uzun Yusuf Masjid near Yayla.”

