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