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
History of Portugal (1640–1777) deterioration of relations with Portugal's oldest ally (since the Treaty of Windsor in 1386) and the loss of Hormuz. Being united with Spain involved Portugal in the Eighty Years War, Spain's war with the emerging Dutch Republic - which began with the Dutch rebelling against Spanish rule in their own north European territory, but soon developed into the Dutch Republic becoming a major new maritime power and attacking the Spanish colonies. This campaign directly impacted Portuguese colonies as well, many of which were invaded by the Dutch - leading to the Dutch–Portuguese War. In Asia, Portuguese Ceylon (modern Sri Lanka)