Yoronjima is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa.
The island, 20.8 km² in area, has a population of approximately 6,000 persons, and is administered as the town of Yoron, Kagoshima. Much of the island is within the borders of the Amami Guntō Quasi-National Park.
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