Kamiiso District, Hokkaido

The area of Kamiiso District in Oshima Subprefecture.

Kamiiso (上磯郡, Kamiiso-gun) is a district located in Oshima Subprefecture, Hokkaido, Japan.

As of 2004, the district has an estimated population of 48,470 and a density of 71.18 persons per km2. The total area is 680.95 km2.