The construction of the building, which began in 1155 during the last years of Mesud I, was completed with additions and arrangements made during the periods of Kılıç Arslan II, İzzeddin Keykavus I and Alaeddin Keykubad I. The architect of the construction during the periods of İzzeddin Keykavus I and Alaeddin Keykubad I was Muhammed, son of Havlan from Damascus.

The mosque space, which consists of three different sections, has seven naves parallel to the mihrab with a flat ceiling carried by a pointed arch made of brickwork connecting reused columns to the east of the domed central section of the triangular belted mihrab, and five naves parallel to the mihrab to the west. The mihrab is tile mosaic.
technique, the pulpit is made in real kundekari technique. The surface of the dome in front of the mihrab and the triangular belt are decorated in tile mosaic technique.

The artist of the tile work of the building is Kerimüddin Erdişah. In its courtyard, there is the II. Kılıç Arslan Tomb, where the coffins of the Seljuk Sultans are located, and the unfinished I. İzzeddin Keykavus Tomb.

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