Fujisawa is a city in Kanagawa Prefecture, Japan. As of 1 June 2021, the city had an estimated population of 439,728 and a population density of 6300 persons per km2. The total area of the city is 69.57 square kilometres (26.86 sq mi).

Kanagawa Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 and third-densest at 3,800 inhabitants per square kilometre (9,800/sq mi). Its geographic area of 2,415 km2 (932 sq mi) makes it fifth-smallest. Kanagawa Prefecture borders Tokyo to the north, Yamanashi Prefecture to the northwest and Shizuoka Prefecture to the west.