Mishima is a city located in eastern Shizuoka Prefecture, Japan. As of 31 July 2019, the city had an estimated population of 109,803 in 49,323 households, and a population density of 1,800 persons per square kilometre. The total area of the city is 62.02 square kilometres (23.95 sq mi).

Shizuoka Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. As of September 2023, Shizuoka Prefecture has a population of 3,555,818 and has a geographic area of 7,777.42 km2 (3,002.88 sq mi). Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the northeast, Nagano Prefecture to the north, and Aichi Prefecture to the west.