Barcelona A seaport on the Mediterranean Sea, Barcelona is the capital of Barcelona Province and of the autonomous region of Catalonia. Catalonia is 31,930 square kilometers with more than six million inhabitants. It has a long historical tradition, interesting cities and towns, a great architectural heritage, a wide range of services, and a strong personality of its own. For more information about Catalonia, visit the Generalitat de Catalunya website. Barcelona is the second largest city in Spain with a population of approximately 1.6 million, and it is the principal industrial and commercial...