Wakayama is the capital city of Wakayama Prefecture in the Kansai region of Japan. As of 1 December 2021, the city had an estimated population of 351,391 in 157066 households and a population density of 1700 persons per km². The total area of the city is 208.84 square kilometres (80.63 sq mi).

Wakayama Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Wakayama Prefecture has a population of 944,320 and has a geographic area of 4,724 square kilometres (1,824 sq mi). Wakayama Prefecture borders Osaka Prefecture to the north, and Mie Prefecture and Nara Prefecture to the northeast.