Kosan is located in North Korea (Kangwŏn-do) and time zone Asia/Pyongyang.
Places nearby are Hoeyang, Anbyŏn-ŭp and Wŏnsan.
Hŭngnam is 110 km away, Hamhŭng is 117 km away and Kaesŏng is 119 km away as the crow flies.
Distances from Kosan to the most important cities in North Korea and the world.
38.8558300°
127.4180600°
Urban neighbourhood in Stari Grad, Belgrade, Serbia
https://en.wikipedia.org/wiki/Kosančićev_Venac