Hamamasu District, Hokkaido

Hamamasu (浜益郡) 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.