Gunkajima

Hashima Island (端島; meaning "Border Island"), commonly called Gunkanjima (軍艦島; meaning "Battleship Island") is one among 505 uninhabited islands in the Nagasaki Prefecture about 15 kilometers from Nagasaki itself. The island was populated from 1887 to 1974 as a coal mining facility. The island's most notable features are the abandoned concrete buildings and the sea wall surrounding it. It has been administered as part of Nagasaki, Nagasaki since 2005, it had previously been administered by the former town of Takashima.