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English: Hiyama Subprefecture (檜山振興局 Hiyama-shinkō-kyoku), is a subprefecture of Hokkaidō, Japan. It includes Okushiri Island.
한국어: 히야마 진흥국
This category has the following 12 subcategories, out of 12 total.
Media in category "Hiyama subprefecture"
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- Hiyama Subprefecture 0...