Seinō (Japanese: 西濃) is the southwestern portion of Gifu Prefecture in the Chūbu region of Japan.
[1] The borders of this region are not officially set, but it generally consists of the following cities and towns: Ōgaki, Kaizu, Gōdo, Wanouchi, Anpachi, Ibigawa, Ōno, Ikeda, Yōro, Tarui and Sekigahara.
The southern part of the region lies at sea level and connects to Aichi and Mie prefectures.
The towns of Ibigawa, Ōno and Ikeda, as well as the city of Ōgaki, are known for their production of Fuyu (富有 Fuyū), a type of persimmon.
Ōgaki is also the home to major companies such as Ibiden Co., Seino Co., Pacific Industrial Co. and Ogaki Kyoritsu Bank.