It is located on the street in the Ömerbey district of Mudanya. The name of the mosque is Ömer Bey Mosque due to its constructor. The date of its construction is written as 1715 on the marble on its door. The building with a wooden ceiling is an example of a mosque without a dome, and it is a masjid-mosque type building. Ömerbey Mosque is a square planned mosque. It has only one minaret and the minaret remains from the date it was built. It has a wooden pulpit and a classical ornamented altar.

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