Ōnuma District

Ōnuma (大沼郡, Ōnuma-gun) is a district of Fukushima Prefecture, Japan.^[1]

Location^[which?] of Ōnuma District in Fukushima Prefecture

As of 2008, the district has an estimated population of 29,787 and a density of 34.2 persons per km².^{[citation needed]} Its total area is 870.51 square kilometres (336.11 sq mi).^[1]

It contains one village (Shōwa) and three towns: Aizumisato, Kaneyama, and Mishima.^[1]