Barcelona en Comú is a political platform in Barcelona, Spain, founded in 2014. It emerged from grassroots movements and aims to promote social justice, environmental sustainability, and participatory democracy. The platform unites various leftist groups and activists to address local issues and improve the quality of life for residents. In the 2015 municipal elections, Barcelona en Comú successfully elected Ada Colau as the city's mayor. The platform focuses on policies such as affordable housing, public services, and citizen participation in decision-making processes. Its goal is to create a more inclusive and equitable city for all inhabitants.