Hiroshima Prefecture is located in the center of Chugoku Region. The prefecture capital, Hiroshima City, developed on the delta of the Ota River. The U.S. dropped an atomic bomb on Hiroshima on August 6, 1945, and destroyed the entire city. The A-Bomb Dome, a World Heritage site, conveys the horrific reality of the atomic bombing. The Itsukushima-jinja Shrine is another World Heritage site on Miyajima Island. The shrine is famous for its red Otori gate standing in the water and its structure, which carries the architectural style of the 12th century.