Saikai National Park

Nagasaki Prefecture, Japan

Saikai National Park is a marine national park located in Nagasaki prefecture of northwest Kyūshū, Japan. It consists of the coastal regions of Matsuura Peninsula, extending northward from the port city of Sasebo and encompasses the Kujūku Islands, with over 200 islands to the west, Hirado Peninsula further west, and the coastlines of the Gotō Islands to the far west.

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