Oshima Subprefecture

Oshima Subprefecture
渡島総合振興局
Oshima-sōgō-shinkō-kyoku
PrefectureHokkaido
CapitalHakodate
Area
  Total
3,936.32 km2 (1,519.82 sq mi)
Population
 (March 2009)
  Total
449,371
  Density110/km2 (300/sq mi)
Websiteoshima.pref.hokkaido.lg.jp

Oshima (渡島総合振興局, Oshima-sōgō-shinkō-kyoku) is a subprefecture of Hokkaido Prefecture, Japan. As of 2004, it had a population of 456,621 and an area of 3,715.38 km2.

Hakodate Airport is located in the City of Hakodate.