Osaka-jō Hall (大阪城ホール, Ōsaka-jō Hōru) is a multi-purpose arena located in the area of Osaka, Japan. The hall opened in 1983 and can seat up to 16,000 people. Built on a site area of 36,351 square meters, part of its form uses stone walls, modeled after those of the Castle and it won the Osaka Urban Scenery Architects Prize Special Award in 1984. Each winter, 10,000 people come to the hall to participate in a performance of Beethoven's Symphony No. 9.