As of 2003, the town has an estimated population of 12,286 and a density of 407.90 persons per kmē. The total area is 30.12 kmē. The town also has a naval museum.
Hiroshima is a traditional center of the Chugoku region and was the seat of the Mori clan until the Battle of Sekigahara.
On November 1, 2004, the town of Etajima from Aki District merged with the towns of Nomi, Ogaki, and Okimi from Saeki District forming the city of Etajima.
Hiroshima's main industries include automobiles (Mazda is headquartered in Hiroshima Prefecture) and shipbuilding (Kure was one of the main naval bases of the Imperial Japanese Navy and remains a major commercial yard).
Hiroshima was founded in 1589, on the coast of the Seto Inland Sea, and became a major urban center during the Meiji period.
Hiroshima is known for its version of okonomiyaki, called "Hiroshima-yaki" or "Hiroshima pancake." The Hiroshima version of okonomiyaki is unique for its inclusion of yakisobaor udon noodles.
Hiroshima is the center of industry for the Chugoku-Shikoku region, and is by and large centered along the coastal areas.