is a

district A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...

located in

Oshima Subprefecture 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. Geography The subprefecture is located on the Oshima Penins ...

Hokkaido is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. As of 2004, the district has an estimated

population Population typically refers to the number of people in a single area, whether it be a city or town, region, country, continent, or the world. Governments typically quantify the size of the resident population within their jurisdiction using a ...

of 7,424 and a

density Density (volumetric mass density or specific mass) is the substance's mass per unit of volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' can also be used. Mathematical ...

of 23.89 persons per km². The total area is 310.75 km².

Towns

Oshamanbe is a town located in Oshima Subprefecture, Hokkaido, Japan. As of 30 October 2016, the town has an estimated population of 5,694. The total land area is 310.75 km2. Geography Oshamambe faces Uchiura Bay, which is a bay of the Pacific Ocea ...

Merger

*On October 1, 2005, the town of Yakumo (from Yamakoshi District) absorbed the town of Kumaishi (from Nishi District,

Hiyama Subprefecture is a subprefecture of Hokkaido Prefecture, Japan located on the Oshima Peninsula on the Sea of Japan side. It includes Okushiri Island. It was established in 1897. Geography Mergers History *1897: Hiyama Subprefecture was established. *20 ...

) to create the new and expanded town of Yakumo (now in the newly created Futami District). The former town of Kumaishi joined Oshima Subprefecture at the same time. Districts in Hokkaido {{Hokkaido-geo-stub