Josep Tarradellas Barcelona–El Prat Airport, and also known as Barcelona-El Prat Airport, is an international airport located 15 km (9.3 mi) southwest of the centre of Barcelona, lying in the municipalities of El Prat de Llobregat, Viladecans, and Sant Boi, in Catalonia, Spain.

Barcelona is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within city limits, its urban area extends to numerous neighbouring municipalities within the province of Barcelona and is home to around 4.8 million people, making it the fifth most populous urban area in the European Union after Paris, the Ruhr area, Madrid and Milan. It is one of the largest metropolises on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, bounded to the west by the Serra de Collserola mountain range.