Rishiri (利尻郡; -gun) is a district located in Soya Subprefecture, Hokkaido, Japan. The district consists of Rishiri Island, in the Sea of Japan to the west of the northern tip of Hokkaido. A district (郡; gun) was the administrative unit during the period from 1890 to 1923, which is roughly equivalent to the county of the United States, and was ranked at the level below prefecture and above city, town or village. ... Soya subprefecture (宗谷) is located at the north tip of Hokkaido, Japan. ... Hokkaido listen (北海道 Hokkaidō, literal meaning: North Sea Route, Ainu: Mosir), formerly known as Ezo, is the second largest island of Japan. ... The Sea of Japan, known as the East Sea in South Korea, the East Sea of Korea in North Korea, and the Japan Sea in China, is a marginal sea of the western Pacific Ocean, bound by the Japanese islands of Hokkaido, Honshu and Kyushu and Sakhalin island to the...
As of 2004, the district has an estimated population of 5,525 and a density of 30.33 persons per km². The total area is 182.18 km². 2004 is a leap year starting on Thursday of the Gregorian calendar. ... Population density can be used as a measurement of any tangible item. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ...