Janggundo (Korean: 장군도; Hanja: 將軍島; lit.

General Island) is a small uninhabited island located in the middle of Yeosu Harbor [ko] in Jungang-dong, Yeosu, South Jeolla Province, South Korea.

[1][2] The island has also gone by the name Chamgyeongdo (참경도; 斬鯨島) and Daeseom (대섬; lit.

He built defensive barriers on and around the island for protection against wokou (Japanese pirates) around 1497.

To slow this process, the city built a stone wall around its coast in 2005.