In 1417 - 1418 Çelebi Sultan Mehmet built the Old Mosque as a foundation. It is a 14-domed structure with ornamented walls covered with two-colored cut stones. The domes are covered with bullets. 40.54 - 74.94 m. There are doors on all four sides of the building. There is a pointed arched window under each dome. Inside, there are 14 units covered with vault on long faces and 4 cells on short sides. Evliya Celebi. He writes that the diamonds and jewelery in the Bedesten are worth a few Egyptian treasures, and that they protect sixty night guards. Bedesten, which has been repaired in recent years, is used as a bazaar.