Barcelona–El Prat Airport , also known as Barcelona Airport, is an international airport located 12 km southwest of the centre of Barcelona, Spain, lying in the municipalities of El Prat de Llobregat, Viladecans, and Sant Boi. It is the main airport of Catalonia, the second largest and second busiest in Spain behind Madrid-Barajas Airport, and the seventh busiest in Europe. In 2016 Barcelona Airport handled a record 44.1 million passengers, up 11.2% from 2015.