South Korea, had an exclave (nowadays Gwacheon, Gunpo, and Uiwang) since Anyang was separated from Siheung in 1973. In 1989, the old county of Siheung was...

Deyang is a sister city with Muncie, Indiana; Vladimir, Russia, since 1994; Kreis Siegen-Wittgenstein, Germany, since 1996; L'Alcúdia, Spain, since 1997;...