Its adjacent provinces are Çanakkale to the west, İzmir to the southwest, Manisa to the south, Kütahya to the southeast, and Bursa to the east.
Cumalıkızık je vas v Turčiji, ki se nahaja 10 km zahodno od mesta Bursa, v okrožju Yıldırım, ob vznožju gore Uludağ.