ken (prefecture), southeastern Kyushu, Japan, facing the Pacific Ocean. Most of its area is mountainous, and there is a small coastal plain. The southern coast contains Nichinan-kaigan Quasi-national Park, which includes the offshore island of Ao and is noted for its tropical and subtropical vegetation, wild horses, and monkeys. In the southwest, Kirishima-Yaku National Park is dotted with volcanoes, craters, and crater lakes. The prefecture is a major honeymoon spot.
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