Irihirose (入広瀬村, Irihirose-mura) was a village located in Kitauonuma District, Niigata Prefecture, Japan.
As of 2003, the village had an estimated population of 1,907 and a density of 7.01 persons per km². The total area was 272.14 km².
On November 1, 2004, Irihirose, along with the towns of Horinouchi and Koide, and the villages of Hirokami, Sumon and Yunotani (all from Kitauonuma District), was merged to create the city of Uonuma.
References
Irihirose, Niigata Wikipedia(Text) CC BY-SA