Ōi (大飯郡, Ōi-gun) is a district located in Fukui Prefecture, Japan. As of 2003, the district had an estimated population of 18,680 with a density of 133...

of three districts: Fukui Prefecture Mikata District (三方郡) Ōi District (大飯郡) Onyū District (遠敷郡) - dissolved Nussbaum, Louis-Frédéric. (2005). "Wakasa"...