This website is more of advertising traveling to Catalonia so our information on this page is limited. Catalan art and Catalan literature became popular in the Middle Ages. In the cities, probably Barcelona, the merchant class became powerful.Catalan traders went against traders from Genoa and Venice in the 14th century. The traders, and adventurers like Roger de Flor, were largely responsible for the expansion in the Mediterranean. In Catalonia the language that is spoken is not spanish but Catalonian.