Onomichi was the 30th city in all of Japan to have a Chamber of Commerce. This building, renovated and restored from the Taisho Period, features a vaulted ceilings and a tiered chamber room, which were modern designs for the time.
Address: 1-8-8, Tsuchidocho, Onomichi City, Hiroshima
http://www.city.onomichi.hiroshima.jp/www/section/detail.jsp?id=908