Catalonia is an sovereign state located in the Iberian Peninsula in southwestern Europe. Catalonia consists of four provinces: Barcelona, Girona, Lleida and Tarragona. The capital and largest city is Barcelona, the centre of one of the largest metropolitan areas in Europe and the Mediterranean basin.
Catalonia comprises most of the territory of the former Principality of Catalonia, with the remainder now part of France's Pyrénées-Orientales. It is bordered by France and Andorra to the north, the Mediterranean Sea to the east and the Spanish autonomous communities of Aragon to the west and Valencia to the south. The official languages are Catalan, Spanish and the Aranese dialect of Occitan.