is a town located in Oshima Subprefecture, Hokkaido, Japan. Demographics As of September 2016, the town has an estimated population of 4,620, and a density of 23 persons per km². Geography Shiriuchi is located on the southwest of the Oshima Peninsula and faces Tsugaru Strait. Shiriuchi River flows through the town. The total area is 196.66 km². Neighboring towns Oshima Subprefecture Kikonai Fukushima Hiyama Subprefecture Kaminokuni History 1906: Shiriuchi village was founded. 1967: Shiriuchi village became Shiriuchi town. Transportation Kaikyō Line runs through the town, and the entrance of the Seikan Tunnel is in Yunosato. There used to be Shiriuchi Station, but it closed in March 2014. Education High school Hokkaido Shiriuchi High School Sister town Imabetsu, Aomori (since 1990) Notable people from Shiriuchi Saburō Kitajima, enka singer, lyricist and composer References External links Official Website Towns in Hokkaido