The Sumo Association is the governing body for the sport of sumo wrestling in Japan. It oversees the organization of tournaments, the training of wrestlers, and the promotion of the sport. The association is responsible for maintaining the traditions and rules of sumo, ensuring that the sport remains a significant part of Japanese culture. Founded in the early 20th century, the Sumo Association manages various aspects of the sport, including the ranking system for wrestlers, known as banzuke. It also handles the recruitment and development of new talent, ensuring that the legacy of sumo continues for future generations.