Hamada is a city located in Shimane Prefecture, Japan. As of 31 May 2023, the city had an estimated population of 50,176 in 25498 households and a population density of 73 persons per km2. The total area of the city is 689.68 square kilometres (266.29 sq mi).

Shimane Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Shimane Prefecture is the second-least populous prefecture of Japan at 665,205 and has a geographic area of 6,708.26 km2. Shimane Prefecture borders Yamaguchi Prefecture to the southwest, Hiroshima Prefecture to the south, and Tottori Prefecture to the east.