Hamamasu (浜益郡, Hamamasu-gun) was a district located in Ishikari Subprefecture, Hokkaido, Japan.
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As of 2004, the district had an estimated population of 2,179 and a density of 7.00 persons per km². The total area was 311.16 km².
Former towns and villages
Merger
References
Hamamasu District, Hokkaido Wikipedia(Text) CC BY-SA