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 county, counties, several municipality, municip ...

located in southwestern

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 is a Cities of Japan, city and seaports of Japan, port lo ...

Hokkaido is the list of islands of Japan by area, second-largest island of Japan and comprises the largest and northernmost prefectures of Japan, prefecture, making up its own list of regions of Japan, region. The Tsugaru Strait separates Hokkaidō fr ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. As of 2004, the district has an estimated

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 16,068 and a

density Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' (or ''d'') can also be u ...

of 33.45 persons per km². The total area is 480.32 km².

Towns

* Fukushima * Matsumae

History

*1869: With the establishment of

provinces A province is an administrative division within a country or state. The term derives from the ancient Roman , which was the major territorial and administrative unit of the Roman Empire's territorial possessions outside Italy. The term ''provi ...

and Districts in Hokkaido, Tsugaru District (identical to modern Matsumae Town) and Fukushima District (identical to modern Fukushima Town and Shiriuchi in Kamiiso District) were set up. *1871–1872: Placed under Hirosaki

Prefecture A prefecture (from the Latin word, "''praefectura"'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain inter ...

and

Aomori Prefecture is a Prefectures of Japan, prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori (city), Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is border ...

. *1881: Shiriuchi Village and Shōkokuishi (?) Village (小谷石村) (split off from Fukushima Village) transferred to Kamiiso District. The remaining area of Fukushima District and Tsugaru District were merged to form Matsumae District. *1897: Matsumae Subprefecture established containing only Matsumae District. *1903: Matsumae Subprefecture merged with Hakodate Subprefecture (later renamed Oshima Subprefecture).

Geography

The district is located on the southern end of the Matsumae Peninsula. The district includes the two islands in the

Tsugaru Strait The is a strait between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture. The Seikan Tunnel passes under it at its narrowest point 12.1 miles ...

, Oshima and

Kojima Kojima, Ko-jima, may refer to: People * Kojima (surname) Places * Kojima District, Okayama, Japan * Kojima Village, Matsumae, Hokkaido, Japan * Kojima Domain, Suruga Province, Honshu, Japan; an Edo-period domain Islands * Kōjima, an island ...

References

Districts in Hokkaido Oshima Subprefecture {{Hokkaido-geo-stub