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.

Okinawa Prefecture is the southernmost and westernmost prefecture of Japan. It has a population of 1,457,162 and a geographic area of 2,281 km2.