The Japan Sumo Association is the governing body responsible for promoting and regulating the sport of sumo in Japan. Established in 1925, it oversees the organization of tournaments, the training of wrestlers, and the enforcement of rules and traditions associated with the sport. The association plays a crucial role in preserving the cultural heritage of sumo. The association is also responsible for the ranking system of rikishi (sumo wrestlers) and the management of stables where they train. It organizes six major tournaments each year, attracting large audiences and showcasing the skills and traditions of sumo wrestling.