Dongbaekdongsan 59 150 Dongcheon Estuary 540 1,300 Du-ung Wetland Ramsar Site 6 15 Ganghwa Maehwamarum Habitat 1 2.5 Gochang and Buan Tidal Flats 4,550 11,200 Han...

each district have sea access. In South Korea: Incheon Metropolitan City: Ganghwa Island is administered by Incheon, but is connected by bridges to Gyeonggi...