Brussels Airport (airport code BRU) is located 11 kilometers northeast of the capital of Belgium. Brussels is also the headquarters of the European Union and NATO. The Airport City Express provides train service to Brussels's three main stations with departures every 20 minutes. Hosting over 17 million passengers, the airport has one terminal with two concourses, called piers, A and B. The airport has a separate road for cyclists and pedestrians and it includes a special parking space for bicycles. Meeting services at the airport include reception rooms for 2 to 600 people. The 5-star Sheraton Brussels Airport Hotel is only 39 steps from the terminal with 294 soundproof rooms.