Tokyo International Airport, commonly known as Haneda Airport (IATA: HND, ICAO: RJTT) is one of two international airports serving the Greater Tokyo area. It is the main base for Japan's two major domestic airlines, Japan Airlines (Terminal 1) and All Nippon Airways (Terminal 2), as well as Air Do, Skymark Airlines, Solaseed Air and StarFlyer. It is located in Ota, Tokyo, 15 kilometers (9.3 mi) south of Tokyo Station. In 2020, Haneda was ranked by Skytrax as the 2nd Best Airport after Singapore Changi Airport. It is also regarded as the cleanest airport in the world.