Copenhagen Airport (airport code CPH) is located 8 kilometers southeast of Copenhagen, Denmark, in the township of Kastrup. Scandinavia's main airport, Copenhagen is Europe's 15th busiest airport transporting 21.5 million passengers each year. Air-rail trains link the airport with the Central Railway Station in downtown Copenhagen. Buses and rental cars are also available. Copenhagen Airport has four terminals, Terminal 1 for domestic, Terminals 2 and 3 for international and CPH Go for low-cost carriers. A new Terminal 4 is being planned. The airport features the CPH Apartment lounge that is available for all airport passengers regardless of airline. It features free WiFi, hot and cold drinks, snacks and printing facilities.