Hidaka is a town located in Hidaka District, Wakayama Prefecture, Japan. As of 30 November 2021, the town had an estimated population of 7,970 in 3266 households and a population density of 170 persons per km². The total area of the town is 46.19 square kilometres (17.83 sq mi).

Gobō is a city located in Wakayama Prefecture, Japan. As of 30 November 2021, the city had an estimated population of 22,401 in 10822 households and a population density of 520 persons per km2. The total area of the city is 43.91 square kilometres (16.95 sq mi).