Shizuoka is the capital city of Shizuoka Prefecture, Japan, and the prefecture's second-largest city in both population and area. It has been populated since prehistoric times. As of 1 September 2023, the city had an estimated population of 677,867 in 106,087 households, and a population density of 480 inhabitants per square kilometre (1,200/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.