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 square kilometres (390 sq mi), with a mean depth of 25 metres (82 ft).

Municipalities

• Kure, Hiroshima
• Saka, Hiroshima
• Kaita, Hiroshima
• Fuchū, Hiroshima
• Hiroshima
• Hatsukaichi, Hiroshima
• Ōtake, Hiroshima
• Etajima, Hiroshima
• Waki, Yamaguchi
• Iwakuni, Yamaguchi

Major rivers

• Kyōbashi River
• Motoyasu River
• Ōta River
• Oze River
• Tenma River

Major islands

• Kanawajima
• Tōgejima
• Ninoshima
• Enoshima
• Etajima
• Ōnasabijima (Ōnasamitō)
• Ogurokamijima
• Nomijima
  • West Nomijima
  • East Nomijima
• Ōkurokamishima
• Kurahashijima
• Nasakejima
• Atatajima
• Inokojima
• Itsukushima
• Nagashima
• Okinoshima
• Kabutojima

Trivia

Jaco Pastorius once threw his "Bass of Doom" (Fender Jazz Bass) into the Hiroshima Bay.