Okinawa City is the second-largest city in Okinawa Prefecture, Japan, following Naha, the capital city. It is located in the central part of the island of Okinawa, about 20 kilometres (12 mi) north of Naha. As of 1 October 2020, the city has an estimated population of 142,752 and a population density of 2,913.31 persons per km2. The total area is 49.00 km2.

Chatan is a town located in Nakagami District, Okinawa Prefecture, Japan. As of October 2016 the town had an estimated population of 28,578 and the density of 2,100 per km². The total area of Chatan is 13.62 square kilometres (5.26 sq mi). 53.5% of the land area of the town is covered by United States military bases.