Japan Okinawa Naha Airport (IATA: OKA ; ICAO: ROAH) is a Joint Civilian/Military Airport located in Naha City, Okinawa Prefecture, Japan. There are two runways including the original 18L/36R runway and the newly opened 18R/36L runway in 2020. Naha Airport is the sixth busiest airport in Japan, operating scheduled international flights to Taiwan, Hong Kong, South Korea, Thailand, Singapore, and China. The Japan Air Self-Defense Force's Naha Air Base is also located at the airport.