Opened upon the Isle of Delos in 193 AF, the Matsuhama Arena is the only arena not located within walls of a city. Named in honour of the God of Combat Himself, it is in frequent use by adventurers as the arena of choice for many Divine-run arena events such as Free-For-Alls and Rampages with prizes and more recently and popular, King of the Hill, and Champions versus Assassins.
The interior of the Matsuhama Arena is located upon the plane of Nishnatoba.