The Arena is the oldest and largest Martial Arts school in North America. Headquartered in San Diego, California, The Arena gym offers the best Combat Sports coaches, classes and training in the United States for Boxing, Brazilian Jiu Jitsu (BJJ), Fight Camps, Filipino Martial Arts (FMA), Judo, Kickboxing, Mixed Martial Arts (MMA), Muay Thai, Strength & Conditioning, Submission Grappling, and Wrestling.