Portugal–Spain border NATO 2010 Lisbon summit and during Pope Francis's visit to Fátima in May 2017. Portugal's maritime borders, also known as the Exclusive economic zone of Portugal is currently disputed by Spain in the Savage Islands area, between Madeira and the Canary Islands. The main crossing point between Portugal and Spain is Vilar Formoso - Fuentes de Oñoro. Other important crossings are Caminha and Bragança to Galicia, Portalegre and Elvas to Badajoz, and Castro Marim and Vila Real de Santo António to Ayamonte. Bridges across the border include the Guadiana International Bridge and the Lower Guadiana International bridge. A zipline across
Portugal–Spain relations Castile launched an unsuccessful invasion of Portugal. In 1777 there was a conflict between the two states over the borders of their possessions in South America. In 1807, the king of Castile and his French allies invaded Portugal, using a route that crossed through Spanish territory. However, the French decided to take over both countries, overthrowing the King of Castile and forcing the Portuguese royal family to escape to the Portuguese colony of Brazil. Spain and Portugal subsequently became allies for the first time in centuries and, allied to a British army under Sir Arthur Wellesley, drove the French back