Ganghwado

Ganghwa Island is an island in the beginning of the Han River. It is on the west coast of South Korea. Ganghwa Island is separated from Gimpo on the mainland by a narrow channel. The channel is connected by two bridges. The main channel of the Han River separates the island from Gaeseong in North Korea.
About 65,500 people live on the island. With an area of . It covers most of Ganghwa County, a division of Incheon Municipality. About half of the island's population lives in Ganghwa-eup, Ganghwa Town, in the northeastern part of the island. The island's highest point is Mani-san, above sea level. The island measures long and wide, and is the 4th largest island in South Korea.
Historically, it is significant as being the location of separate and brief attacks. One was the French in 1866. Another was the United States in 1871 and the Japanese in 1875 when Korea was emerging from isolation.