Hay un lugar llamada Koin-ak en Corea del Sur.
Todos los lugares del mundo llamados "Koin-ak".
Sinchon (14)
Sangchon (13)
Naedong (13)
Taedong (12)
Songjong (12)
Pyongchon (12)
Cholgol (12)
Yongdong (12)
Singi (12)
Changdong (12)
Haktong (11)
Tongchon (11)
Saeto (11)
Chungni (11)
Hadong (11)
Chungdong (11)
Wolchon (11)
Yangchon (11)
Kyodong (10)
Yongsan (10)
Songjongni (10)
Yongam (10)
Tokkol (10)
Chungsan (10)
Sadong (10)
Chungchon (10)
Wondong (10)
Sangni (10)
Songsan (10)
Sinpyong (10)