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Hiroo (広尾郡,Hiroo-gun) is adistrict located inTokachi Subprefecture,Hokkaido,Japan.
As of 2004, the district has an estimatedpopulation of 16,735 and adensity of 10.80 persons per km2. The total area is 1,550.06 km2.
42°28′12″N143°10′12″E / 42.47000°N 143.17000°E /42.47000; 143.17000
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