thumb|200px|The area of Horoizumi Districts in Hidaka Subprefecture.
is a district located in Hidaka Subprefecture, Hokkaido, Japan.
, the district has an estimated population of 3,961. The total area is 284 km<sup>2</sup>.
Towns and villages
- Erimo
References
- 角川日本地名大辞典 1 北海道