極真会館

The International Karate Organization Kyokushinkaikan, led by Kancho Shokei Matsui, is a global martial arts organization founded by Mas Oyama. Its official website describes Kyokushinkaikan as the world’s largest martial arts organization and shares information about its philosophy, history, leadership, committees, and international structure. The organization supports a broad network of dojos in Japan and around the world, with a search tool to help visitors find training locations by region, city, station, or postal code.

Kyokushinkaikan offers pathways for prospective members, including guidance for children and their parents, adults, and senior practitioners, along with details about membership. Its activities include national and international karate championships, kata competitions, and semi-contact events. The website publishes event schedules, tournament results, competition rules, and news from headquarters and local branches. It also provides information about official records, organizational initiatives, and branch activities, such as events and enrollment campaigns. Through these resources, Kyokushinkaikan connects practitioners, families, and supporters with its training network and karate community.