Ōi (Japaneseおおい 町, -chō ) is a town in the district Ōi in Fukui Prefecture in Japan.
On the territory of the municipality, the nuclear power plant Ōi lies with four pressurized water reactors, whose construction was begun in 1972 and who received the operation 1979-1993.
Independent cities ( shi): Awara | Echizen | Fukui ( administrative seat ) | Katsuyama | Obama | Ōno | Sabae | Sakai | Tsuruga
Imadate -gun Ikeda | Mikata -gun Mihama | Mikata -gun - Kaminaka: Wakasa | Nanjo -gun Minami- Echizen | Nyu -gun Echizen | Ōi -gun Ōi | Takahama | Yoshida -gun Eihei
- Place in Fukui Prefecture