Nakauonuma District, Niigata
Nakauonuma (中魚沼郡 Nakauonuma-gun?) is a district located in Niigata Prefecture, Japan.
As of April 1, 2005, the district has a population of 11,754. The area is now 372.80 km².
The district has one village
Coordinates: 36°59′42″N 138°38′10″E / 36.995°N 138.636°E
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