The Intermunicipal Community of Alto Minho, founding partner of the EGTC Rio Minho, comprises the municipalities that correspond to the Level III Territorial Unit for Statistics (NUT III) of Alto Minho: Arcos de Valdevez, Caminha, Melgaço, Monção, Paredes de Coura, Ponte da Barca, Ponte do Lima, Valença, Viana do Castelo and Vila Nova de Cerveira.