Yamakoshi (山越郡; -gun) is a district located in Oshima Subprefecture, Hokkaido, Japan. The district (é¡; gun) was most recently used as an administrative unit in Japan between 1878 and 1921 and is roughly equivalent to the county of the United States. ... Oshima (渡島æ¯åº; -shichÅ) is a subprefecture of Hokkaido Prefecture, Japan. ... Hokkaido listen? (åæµ·é HokkaidÅ, literal meaning: North Sea Route, Ainu: Mosir), formerly known as Ezo, is the second largest island of Japan. ...
As of 2004, the district has an estimated population of 7,424 and a density of 23.89 persons per km². The total area is 310.75 km². 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... World map of the population density in 2006 Population density is a measurement of population per unit area or unit volume. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ...