Catalonia is an autonomous community in Spain on the northeastern corner of the Iberian Peninsula, designated as a nationality by its Statute of Autonomy. The capital and largest city is Barcelona, the second-most populated municipality in Spain and the core of the sixth most populous urban area in the European Union.

Barcelona to największe miasto Katalonii, a jednocześnie jej ośrodek kulturowy oraz administracyjny. Jest to drugie co do wielkości miasto w całej Hiszpanii.