İsa Bey Mosque is a historical mosque located in Selçuk, İzmir Provice, Turkey. It is considered to be one of the oldest and most impressive works of architectural art remaining from the Anatolian beyliks period. the mosque was built by the architect (Ali b. Mushaimish Dımışklıoğlu) between 1374-1375 AD in honor of the Aydinid İsa Bey. The plans for the mosque are based on the Great Mosque of Damascus.