Nakanoshima

is one of the Dōzen Islands in the Oki archipelago in the Sea of Japan. It is also known as . The island, 32.21 km² in area, has a population of approximately 2,400 persons. The island is administered by the town of Ama in Shimane Prefecture. Much of the island is within the borders of Daisen-Oki National Park. Geography Nakanoshima is the third largest of the Oki Islands. It is located approximately three hours by ferry north of Honshu coast. The island is of volcanic origin, with deeply indented coastline of , and with its highest point at above sea level. The climate of Nakanshima is classified as a humid subtropical climate (Köppen climate classification Cfa) with very warm summers and cool winters. Precipitation is abundant throughout the year.