Ōgaki is a city located in Gifu, Japan. As of 31 October 2018, the city had an estimated population of 161,539, and a population density of 782 persons per km2 in 65,931 households. The total area of the city was 206.57 square kilometres (79.76 sq mi). Ōgaki was the final destination for the haiku poet Matsuo Bashō on one of his long journeys as recounted in his book Oku no Hosomichi. Every November the city holds a Bashō Festival.

Gifu Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Gifu Prefecture has a population of 1,991,390 and has a geographic area of 10,621 square kilometres (4,101 sq mi). Gifu Prefecture borders Toyama Prefecture to the north; Ishikawa Prefecture to the northwest, Fukui Prefecture and Shiga Prefecture to the west, Mie Prefecture to the southwest, Aichi Prefecture to the south, and Nagano Prefecture to the east.