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
Foreign relations of Spain jure" sovereignty over Olivenza/Olivença on the grounds that the Treaty of Badajoz still stands and has never been revoked. Thus, the border between the two countries in the region of Olivenza/Olivença should be as demarcated by that treaty. Portugal claims the "de jure" sovereignty over Olivenza/Olivença on the grounds that the Treaty of Badajoz was revoked by its own terms (the breach of any of its articles would lead to its cancellation) when Spain invaded Portugal in the Peninsular War of 1807. Portugal further bases its case on Article 105 of the Treaty of Vienna of 1815, which Spain signed