Ōgaki (大垣市 Ōgaki-shi) 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. 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.