Oshima Province

Oshima Province (渡島国, Oshima-no kuni) was a short-lived province located in Hokkaidō.

It corresponded to the southern part of today's Oshima and Hiyama Subprefectures.

After 1869, the northern Japanese island was known as Hokkaido;[1] and regional administrative subdivisions were identified, including Oshima Province.

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