The Partit dels Socialistes de Catalunya (PSC) is a political party in Catalonia, Spain. Founded in 1978, it is a regional branch of the Spanish Socialist Workers' Party (PSOE) and advocates for social democracy and progressive policies. The PSC aims to promote social justice, equality, and economic development within Catalonia while supporting the region's integration within Spain. The party has participated in various elections, including the Catalan Parliament and local councils. It has historically been one of the major political forces in Catalonia, often forming coalitions with other left-leaning parties to influence regional governance and policy-making.