- a seaport on SW Honshu, in SW Japan: first military use of atomic bomb August 6, 1945.
- a port in SW Japan, on SW Honshu on the delta of the Ota River: largely destroyed on August 6, 1945, by the first atomic bomb to be used in warfare, dropped by the US, which killed over 75 000 of its inhabitants. Pop: 1 113 786 (2002 est)