There are 2 places named Udu-san in North Korea.
All places in the world called "Udu-san".
Sinhungni (13)
Kandong (12)
Kungol (11)
Tonggol (11)
Sangdong (11)
Chudong (11)
Saemal (11)
Sindong (11)
Sadong (11)
Sinchon (10)
Cholgol (10)
Yudong (10)
Taedong (10)
Chungni (10)
Naedong (10)
Sinhungdong (10)
Nodong (10)
Wondong (10)
Yongsongni (10)
Angol (10)
Samgori (10)
Sangni (10)
Changpyongni (9)
Changdong (9)
Yongpori (9)
Tokkol (9)
Chiktong (9)
Idong (9)
Yongpyongni (9)
Sangchon (9)