After the Roman Empire fell under the attacks of nomadic tribes, the Spanish Visigoths kingdom was founded. Barcelona has become one of the major cities of the kingdom, thanks to the convenient porta.V 716 Barcelona was conquered by the Arabs. However, the Arabs really did not remain in the city. After only a century Pyadoso Louis, son of Charlemagne rescued from Barcelona mavrov.V 801 the first year of a new era in the development of Barcelona. Port of Barcelona became one of the largest in the Mediterranean, and the city itself has grown considerably in various aspects. It was then, and there was the Barcelona County, which became independent in 988.

Since 11 century, Barcelona has developed more rapidly. Special impetus to the development of the city to confer on the union of the County of Barcelona with the Kingdom of Aragon in the 12 century. King Alfonso the first was the first ruler of this new gosudarstva.Korol Jaime First engaged in pushing back the frontiers of the kingdom. Border Catalan-Aragonese kingdom to the south extends to Valencia. Jaime also organized an expedition to conquer the Balearic Islands, followed by Barcelona became the capital of the largest state in medieval Europe in the Mediterranean area.