Hiroshima, ("Wide island") (population 1.1 million), in Hiroshima Prefecture, from Miyajima Island. The city is built on islands in the delta of the Ota River on the southern coast of western Honshu. It is a major industrial area, with factories producing steel, rubber, ships, automobiles (Mazda is headquartered here), furniture, textiles, and canned foods.

In the late 19th and early 20th century, the largest group of Japanese immigrants came to Hawai'i from Hiroshima prefecture to work on the sugar plantations.

On August 6, 1945, Hiroshima city became the target for the first Weapon of Mass Destruction, the atomic bomb known as "Little Boy." Out of a wartime population of 255,000, an estimated 140,000 people died, mainly civilians.