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
Flag of Portugal acceding to the Portuguese throne as Philip I, installing a Spanish dynasty. The accession was made on the condition that Portugal was ruled as a separate, autonomous state, not as a province. This was fulfilled as Portugal and Spain formed a personal union under Philip I and his successors. A consequence of this administrative situation was the maintenance of the flag created under Sebastian's reign as the Portuguese national flag, while Spain had its own. As the ruling house in Portugal, the Habsburg banner also included the Portuguese arms. The country regained its independence from Spain, in 1640, in a