Japan comprises 6852 islands extending along the Pacific coast of Asia. It stretches over  northeast–southwest from the Sea of Okhotsk to the East China Sea. The country's five main islands, from north to south, are Hokkaido, Honshu, Shikoku, Kyushu and Okinawa. The Ryukyu Islands, which include Okinawa, are a chain to the south of Kyushu. The Nanpō Islands are south and east of the main islands of Japan. Together they are often known as the Japanese archipelago. , Japan's territory is . Japan has the sixth-longest coastline in the world at . Because of its far-flung outlying islands, Japan has the sixth largest Exclusive Economic Zone in the world, covering .