Wikipedia
Tsunoshima
is an island located in the Sea of Japan. Located in the north west of Yamaguchi Prefecture, it is a part of Shimonoseki city. The island has an area of and has a coastline of . The island consists primarily of basalt, and is a part of the Kita-Nagato Kaigan Quasi-National Park. As of 28 August 2008, the population of Tsunoshima stood at 907.