Shirahama is a town in Nishimuro District, Wakayama Prefecture, Japan. As of 31 October 2021, the town had an estimated population of 20,704 in 11024 households and a population density of 100 persons per km². The total area of the town is 200.98 square kilometres (77.60 sq mi).

Kamitonda is a town located in Nishimuro District, Wakayama Prefecture, Japan. As of 1 November 2021, the town had an estimated population of 15,678 in 7348 households and a population density of 270 persons per km2. The total area of the town is 57.37 square kilometres (22.15 sq mi).