Munakata Taisha is a shrine located in Munakata city, Fukuoka prefecture. It is the head shrine of more than 6000 Munakata shrines and Itsukushima shrines around Japan. Munakata Taisha consists of 3 shrines, the Hetsugū located on the main land of Kyūshū, the Nakatsugū located on the island of Ōshima, and the Okitsugū located on the island of Okinoshima. Especially, the entire island of Okinoshima is a part of Munakata Taisha, and has been regarded as sacred a sacred island. The island has been strictly off limits, and many ancient artifacts has been found on the island.
Since Munakata Taisha has been located in the key point of traffic between Kyūshū and the continent, the three Munakata goddesses enshrined in the shrine has been believed to provide protection for all kinds of traffic. In old times marine traffic, and in modern times motor traffic too.
Okitsugū Yōhai-jo is a place to "Yōhai" Okitsugū, that is located on the island of Okinoshima, 60km from mainland and strictly off limits. It is located in the northern part of the island of Ōshima.