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Japan Sumo Association

Japan Sumo Association

The Japan Sumo Association, sometimes abbreviated JSA or NSK, is the body that operates and controls professional sumo wrestling in Japan under the jurisdiction of the Japanese Ministry of Education, Culture, Sports, Science and Technology. Wikipedia
Founded: December 28, 1925
Head: Hakkaku Nobuyoshi
Formerly called: Greater Japan Sumo Association (大日本相撲協会)
Headquarters: Ryōgoku Kokugikan
Legal status: Public Interest Incorporated Foundation
Membership: ~ 1 200
Merger of: Osaka Sumo Association