Coordinates: 34°12′N 132°21′E / 34.200°N 132.350°E
Hiroshima Bay (広島湾? Hiroshima-wan) is a bay in the Inland Sea, Japan. Administratively, the bay is divided between Hiroshima and Yamaguchi Prefectures. The bay's shore is a Ria. Its surface area is about 1,000 km², with a mean depth of 25 meters.
Jaco Pastorius once threw his "Bass of Doom" (Fender Jazz Bass) into the Hiroshima Bay.