, is one of the Satsunan Islands, usually classed with the Osumi Islands belonging to Kagoshima Prefecture, Japan. The island, 38.04 km² in area, has a population of 147. The island can only be reached by boat as it has no airport. There are regular ferry service with Yakushima, which is about 15 km to the east. Travel time is approximately 1 hour. The islanders are dependent mainly on fishing, agriculture and seasonal tourism. The entire island is within the borders of the Kirishima-Yaku National Park.