Ōnuma District
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Ōnuma (大沼郡, Ōnuma-gun) is a district located in Fukushima, Japan.
As of 2008, the district has an estimated population of 29,787 and a density of 34.2 persons per km². The total area is 870.51 km².
Towns and villages
Mergers
- On October 1, 2005, the towns of Aizuhongō and Aizutakada and the village of Niitsuru merged to create the new town of Aizumisato.
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