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.
Former towns and villages Hamamasu
Merger On October 1, 2005, the village of Hamamasu, along with the village of Atsuta (from Atsuta District), was merged into the expanded city of Ishikari.
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