Autonomous region of NE Spain; area 31,900 sq km/12,313 sq mi; population (1986) 5,977,000. It includes Barcelona (the capital), Gerona, Lerida, and Tarragona. Industries include wool and cotton textiles; hydroelectric power is produced. The N is mountainous, and the Ebro basin breaks through the Castellon mountains in the S. The soil is fertile, but the climate in the interior is arid. Catalonia leads Spain in industrial development. Tourist resorts have developed along the Costa Brava. history The region has a long tradition of independence. It enjoyed autonomy 1932-39 but lost its privileges for supporting the Republican cause in the Spanish Civil War. Autonomy and official use of the Catalan language were restored 1980. French Catalonia is the adjacent departement of Pyrenees-Orientales.