Iwanai (岩内郡, Iwanai-gun) is a district located in Shiribeshi Subprefecture, Hokkaidō, Japan.
As of 2004, the district has an estimated population of 22,977 and a density of 61.17 persons per km2. The total area is 375.60 km2.
Coordinates: 42°59′35″N 140°36′54″E / 42.99306°N 140.61500°E / 42.99306; 140.61500
This Hokkaidō location article is a stub. You can help Wikipedia by expanding it.