Ōnuma (大沼郡 Ōnuma-gun) is a district located in Fukushima Prefecture, Japan.
As of 2008, the district has an estimated population of 29,787 and a density of 34.2 ...
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persons per km². The total area is 870.51 km². - Wikipedia (en), 28.12.2018
- Breite37.448001861572
- Länge139.54400634766