This temple is located just behind Itsukushima Shrine at the foot of Mt. Misen and is the head temple of the Omuro sect of the Shingon Buddhist sect. As the head, it used to manage festivals of the shrine. The temple is the center of Buddhism on Miyajima Island and manages the ruins where Kobo Daishi on Mt. Misen mastered the secret process of the Gumonji method of improving memory.