Kakamigahara is a city located in southern Gifu Prefecture in Japan. As of 1 January 2019, the city had an estimated population of 148,225, and a population density of 1700 persons per km2, in 59,736 households. The total area of the city was 87.81 km2. Situated in the northern part of the Nōbi Plain, what is now Kakamigahara originally thrived as a post station on the Nakasendō highway connecting Edo with Kyoto, being called "Unuma-juku" at the time.