Kanuma is a city located in Tochigi Prefecture, in the northern Kantō region of Japan. As of May 2015, the city had an estimated population of 98,883 and a population density of 202 persons per km². Its total area was 490.64km2.GeographyKanuma is located in central Tochigi Prefecture.Surrounding municipalities Tochigi Prefecture Utsunomiya Tochigi Sano Nikko Mibu MidoriHistoryKanuma was the castle town for a 25,000 koku feudal domain in the early Edo period. Even after the domain was suppressed by the Tokugawa shogunate, the area continued to prosper from its location with a number of post stations on the Nikkō Reiheishi Kaidō.