Catalonia comprises four provinces, named after their capitals: Barcelona, Girona, Lleida, and Tarragona. Barcelona, the historic capital, contains more than a third of the region's residents. Catalan and Spanish have been the official languages of Catalonia since 1978, which has led to a considerable revival of Catalan. Mostly hilly, with pine-covered mountains, it also has some highly fertile plains. Cereals, olives, and grapes are grown, and one third of the wines of Spain are produced there. The beautiful 240-mi (386-km) seacoast has fine harbors, excellent fisheries, and an active tourist trade. The Ebro (Ebre, in Catalan), Segre, and Cinca rivers furnish hydroelectric power for the industries in Barcelona and Girona provs.; chief products are textiles, chemicals, automobiles, airplanes, locomotives, and foundry and other metal items. The service sector has grown rapidly.
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