Abstract The Gateway to Europe Eurocity European Grouping of Territorial Cooperation (GEE EGTC), located in a low-density area of the Portuguese–Spanish border, serves as the case study for this research. Drawing on semi-structured interviews, the paper examines local perspectives on the Eurocity and cross-border cooperation. The findings reveal deep demographic and socio-economic challenges, particularly depopulation and the decline of border-related activities, alongside the persistence of sym