Akashi is a city in southern Hyōgo Prefecture, Japan. As of 1 February 2024, the city had an estimated population of 305,925 in 137,288 households and a population density of 6,200 people per km2. The total area of the city is 49.42 square kilometres (19.08 sq mi).

Hyōgo Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Hyōgo Prefecture has a population of 5,469,762 and a geographic area of 8,400 square kilometres. Hyōgo Prefecture borders Kyoto Prefecture to the east, Osaka Prefecture to the southeast, and Okayama and Tottori prefectures to the west.