Gotō is a city in Nagasaki Prefecture, Japan. It comprises the south-west half of the Gotō Islands plus (uninhabited) Danjo and Hizen Torishima archipelagos in the East China Sea. Although the core islands of the city lay some 100 kilometers from Nagasaki, the other archipelagos lay 60 km further to South-West. The city consists of 11 inhabited and 52 uninhabited islands. The three main islands of the city are Fukue, Hisaka, and Naru. As of March 31, 2017, the city has an estimated population of 37,775 and a population density of 90 persons per km2. The total area is 420.81 km2.

Nagasaki Prefecture is a prefecture of Japan located on the island of Kyūshū. Nagasaki Prefecture has a population of 1,314,078 and has a geographic area of 4,130 km2. Nagasaki Prefecture borders Saga Prefecture to the northeast.