There are 2 places named Ko-san in North Korea.
All places in the world called "Ko-san".
Sinhungni (13)
Kandong (12)
Sadong (11)
Kungol (11)
Tonggol (11)
Sangdong (11)
Saemal (11)
Chudong (11)
Sindong (11)
Samgori (10)
Sangni (10)
Yudong (10)
Cholgol (10)
Taedong (10)
Sinchon (10)
Chungni (10)
Naedong (10)
Nodong (10)
Sinhungdong (10)
Wondong (10)
Angol (10)
Yongsongni (10)
Toktong (9)
Sinjongni (9)
Sinsongni (9)
Yonghungni (9)
Chungdong (9)
Sindongni (9)
Yongchonni (9)
Changpyongni (9)