Stuttgart Airport (in German Flughafen Stuttgart, formerly Flughafen Stuttgart-Echterdingen) (IATA: STR, ICAO: EDDS) is an international airport located approximately 13 km (8.1 mi) (10 km (6.2 mi) in a straight line) south of Stuttgart city centre, Germany. The airport lies on the boundary between the nearby town of Leinfelden-Echterdingen, Filderstadt and Stuttgart itself. It is the 7th most important airport in Germany and the main airport of the Bundesland Baden-Württemberg with 9,226,546 passengers in 2010. It is an important hub for the German low cost carriers Condor Airlines, Germanwings, Lufthansa and TUIfly; and global headquarters for car parking company APCOA Parking. In 2007 Stuttgart Trade Fair - the ninth biggest exhibition centre in Germany moved to grounds directly next to the airport, raising the profile of the airport and strengthening calls for a second runway.