Which country and continent is Naha located in?

Ruins of Ryukyu Village, the capital of ancient Ryukyu Kingdom. As early as the middle of14th century, it was already a trading port, and now it is the largest political, economic and cultural center of Ryukyu Islands. It is located on the west coast of southern Okinawa, facing Naha Bay in the East China Sea. The population is 307,000 (1985). It covers an area of 38 square kilometers. Established in 192 1. This port can berth 10,000 tons of ships. The only access to Okinawa prefecture. There are regular routes with overseas. The main air stations connect Hawaii, Manila and Honshu. Okinawa's largest industrial center, about one-third of the industries are concentrated here, mainly small and medium-sized industries such as food processing, as well as textiles, corals, leather products, lacquerware, ceramics and other specialties. Tourism is very prosperous, and more than 80% of the working population is engaged in the tertiary industry.