Nagasaki Prefecture is a prefecture of Japan located on the island of Kyûshû. The capital is the city of Nagasaki.
Nagasaki borders Saga Prefecture on the east, and is otherwise surrounded by water, including Ariake Bay, the Tsushima Straits, and the East China Sea. It also includes a large number of islands such as Tsushima and Iki. Most of the prefecture is near the coast and there are a number of ports such as Nagasaki and a United States Navy base at Sasebo.
