Frankfurt Airport (; , also known as Rhein-Main-Flughafen) is a major international airport located in Frankfurt, the fifth-largest city of Germany and one of the world's leading financial centres. It is operated by Fraport and serves as the main hub for Lufthansa, including Lufthansa CityLine and Lufthansa Cargo as well as Condor and AeroLogic. The airport covers an area of of land and features two passenger terminals with capacity for approximately 65 million passengers per year; four runways; and extensive logistics and maintenance facilities. Frankfurt Airport is the busiest airport by passenger traffic in Germany as well as the 4th busiest in Europe after London–Heathrow, Paris–Charles de Gaulle and Amsterdam Airport Schiphol. The airport is also the 13th busiest worldwide by total number of passengers in 2016, with 60.786 million passengers using the airport in 2016. In 2017, Frankfurt Airport handled 64.5 million passengers and nearly 70 million in 2018. It also had a freight throughput of 2.076 million metric tonnes in 2015 and is the busiest airport in Europe by cargo traffic. As of summer 2017, Frankfurt Airport serves more than 300 destinations in 5 continents, making it the airport with the most direct routes in the world. The southern side of the airport ground was home to the Rhein-Main Air Base, which was a major air base for the United States from 1947 until 2005, when the air base was closed and the property was acquired by Fraport (now occupied by Terminal 3). The airport celebrated its 80th anniversary in July 2016. Location Frankfurt Airport lies southwest of central Frankfurt,near the Autobahn intersection Frankfurter Kreuz, where two of the most heavily used motorways in Europe (A3 and A5) meet. The airport grounds, which form a city district of Frankfurt named Frankfurt-Flughafen, are surrounded by the Frankfurt City Forest. The southern portion of the airport grounds extend partially into the cities of Rüsselsheim am Main and Mörfelden-Walldorf, and a western portion of the grounds lie within the city of Kelsterbach. The airport is centrally located in the Frankfurt/Rhine-Main region, Germany's third-largest metropolitan region, which itself has a central location in the densely populated region of the west-central European megalopolis. Thereby, along with a strong rail and motorway connection, the airport serves as a major transport node for the greater region, less than two hours by ground to Cologne, the Ruhr Area, and Stuttgart. History First airport On 16 November