Private holiday villas and vacation rentals in Catalonia Catalonia (Catalunya) is one of the most beautiful regions of Spain, in the north-east corner of the Iberian Peninsula and bordering France and Andorra. The official languages are Catalan, (Castillan) Spanish and the Aranese dialect. Best known apart from its capital and largest city, Barcelona, located at the Mediterranean Sea is the Costa Brava, stretching from the north of Barcelona to the province of Girona, it offers ideal facilities for plenty of sorts of water sports. This coast is famous for its mild climate, ample beaches but also steep cliffs and romantic small coves.