| • | Hiyama (檜山郡; -gun) is a district located in Hiyama Subprefecture, Hokkaido, Japan.
As of 2004, the district has an estimated population of 21,896 and a density of 19.59 persons per km². The total area is 1,117.57 km².
Source: [wikipedia: hiyama district, hokkaido]
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