Places beginning with OI in Japan (general), Japan
Ōi-chō
Ōi-chō
Ōi-gun
Oikami-mura
Ōi-machi
Ōi-machi
Ōi-mura
Ōi-mura
Ōiso-machi
Ōita-gun
Ōita-machi
Ōita-shi
Oitsu-mura
Oizu-machi
Ōizumi-machi
Ōizumi-mura