Yamaguchi Prefecture twinned administrative body Shandong
Sister districts
Yamaguchi Prefecture has alliances with the following five districts.
 Bình Dương Province, Vietnam (since 2014)
 Shandong Province, China (since 1982)
 South Gyeongsang Province, South Korea (since 1987)
 Pamplona, Navarre, Spain (since 1980)
 Krasnodar Krai, Russia (since 2017)
sister administrative body twin administrative entity partner administrative agency linked administrative unit brotherly administrative organization