Saikai National Park
Nagasaki Prefecture, Japan · built 1955
Saikai National Park (Saikai Kokuritsu Kōen) 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.
Park data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).