How many places in South Korea are called Udu-do?

There is one place named Udu-do in South Korea.

All places in the world called "Udu-do".

Location Udu-do:

• Cheju-do

Cities

Sinchon (14)
Sangchon (13)
Naedong (13)
Taedong (12)
Songjong (12)
Cholgol (12)
Changdong (12)
Pyongchon (12)
Yongdong (12)
Singi (12)
Chungni (11)
Hadong (11)
Chungdong (11)
Tongchon (11)
Saeto (11)
Wolchon (11)
Haktong (11)
Yangchon (11)
Yongsan (10)
Chungsan (10)
Songjongni (10)
Yongam (10)
Chungchon (10)
Tokkol (10)
Sadong (10)
Wondong (10)
Angol (10)
Sangni (10)
Songsan (10)
Mokkol (10)