Seijima Island

Seijima (清島) is the largest and most populous island of Nakama, located south of Honshu across the Izu Strait, north of Ogasawara across the Yukari Strait, and southwest of Higashima across the Naruse Straits. The island separates the Philippine Sea, which lies to its west, from the North Pacific Ocean to its east. It is the eleventh-largest island in the world, and the third-most populous after Java and Honshu.