Gebze is located in Turkey (Kocaeli) and time zone Europe/Istanbul.
Places nearby are Çiftlikköy, Karamürsel and Yalova.
Istanbul is 45 km away, Bursa is 73 km away and Ankara is 291 km away as the crow flies.
Distances from Gebze to the most important cities in Turkey and the world.
40.8027600°
29.4306800°
Public university in Gebze, Kocaeli, Turkey
https://en.wikipedia.org/wiki/Gebze_Technical_University