Naha is the capital of Okinawa Prefecture, the southernmost prefecture of Japan. Located on the island of Okinawa, it is the most important city in the Ryukyu Islands. The city is home to Naha Airport, the only international airport in the prefecture. Naha is also the political, economic, and cultural center of Okinawa Prefecture. In the Edo period, the city was the capital of the Ryūkyū Kingdom.
The city of Naha is laid out in a grid pattern with the main street, Kokusai-dōri, running east to west. The street is flanked by wide sidewalks, a tree-lined median, and many shops and restaurants. Naha has a tropical monsoon climate moderated by the ocean. The average temperature is 22.5 degrees Celsius and there is an average of 2,711 mm of precipitation annually.