Det finns en plats som heter Optong i Sydkorea.
Alla platser i världen som heter "Optong".
Sinchon (14)
Naedong (13)
Sangchon (13)
Cholgol (12)
Changdong (12)
Yongdong (12)
Singi (12)
Taedong (12)
Songjong (12)
Pyongchon (12)
Yangchon (11)
Haktong (11)
Saeto (11)
Tongchon (11)
Chungni (11)
Hadong (11)
Chungdong (11)
Wolchon (11)
Saemal (10)
Kyodong (10)
Yongsan (10)
Songjongni (10)
Yongam (10)
Tokkol (10)
Chungsan (10)
Sadong (10)
Chungchon (10)
Wondong (10)
Sangni (10)
Songsan (10)