Esquerra Republicana de Catalunya (ERC) is a left-wing political party in Catalonia, Spain. Founded in 1931, it advocates for Catalan independence and social justice. The party aims to promote progressive policies, including economic equality and environmental sustainability, while also supporting the Catalan language and culture. ERC has played a significant role in Catalan politics, especially during the push for independence from Spain. It has participated in various regional governments and has been influential in shaping the political landscape of Catalonia. The party seeks to unite various social movements to achieve its goals of self-determination and social progress.