Hendek is located in Turkey (Sakarya) and time zone Europe/Istanbul.
Places nearby are Akyazı, Söğütlü and Ferizli.
Istanbul is 146 km away, Bursa is 150 km away and Ankara is 194 km away as the crow flies.
Distances from Hendek to the most important cities in Turkey and the world.
40.7994400°
30.7480600°
Convex polytope, the n-dimensional analogue of a square and a cube
https://en.wikipedia.org/wiki/Hypercube