The Japanese port near Nagasaki is Sasebo, which is a city located in the Nagasaki Prefecture on the island of Kyushu. It is a major naval base and commercial port, and is home to the United States Fleet Activities Sasebo. The city has a long history, having been founded in the 16th century as a fishing village. It has since grown to become an important port city, with a population of over 250, 000 people.