Fukuoka Prefecture is an administrative region in Japan situated on the northernmost part of the Kyushu island. It occupies a strategic position along the Kanmon Straits, which connect the Tsushima Strait and the Seto Inland Sea, facing Yamaguchi Prefecture across the water to the north. The prefecture extends southward toward the Ariake Sea and borders Saga, Kumamoto, and Ōita prefectures.