The construction of the Bayezid Han son, Yıldırım, began in 1403 by his son Emir Suleyman. The construction of the mosque was completed in 1414 by Çelebi Mehmet. According to the inscription on the side door of the mosque, the architect Konyalı Hacı Alâeddin and his son are the sons of İbrahim. The plan of the square is 2116 m2. It is covered with nine domes. In this respect, it is included in the multi-domed mosques group. In the north corner of the mosque, the one-minaret minaret, which rises with the mosque, is considered together with the mosque. The second minaret of the mosque was built by Çelebi Sultan Mehmet Khan. In this minaret, separate stairs are reached.
     The mosque was named after the Old Mosque after the construction of the Mosque. The side faces of the marble pulpit are decorated with rumi and geometric patterns. There is also a verse writing belt on one side. The city was the first great mosque in the minbar, the symbol of the conquest was always hung and protocol ceremonies were held here. The Ottoman Sultans III. In this mosque, Mustafa and II. This is the reason why the imams of the sermons of the sermons to come to the sword with the Sword, even today, to keep this tradition alive. Hacı Bayram Veli II. During the reign of Murat, he visited Edirne and preached in the Old Mosque. The Sermon Chair is not used by imams because of the respect for Hacı Bayram Veli's memory.