Jeju

Jeju(Cheju) is a province and the largest island of Korea.

South Korea

Seoul
Gyeonggi
Gangwon
South Chungchong
North Jeolla
. Jeonju
. Wanju
. Jinan
. Gimje
South Jeolla
Jeju
North Gyeongsang
. Andong
. Gyeongju
South Gyeongsang
. Geoje
. Heinsa,Jinju
Busan