Hamamasu (浜益郡, Hamamasu-gun) was a district located in Ishikari Subprefecture, Hokkaido, Japan.
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.
Hamamasu (浜益郡, Hamamasu-gun) was a district located in Ishikari Subprefecture, Hokkaido, Japan.
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.