Portugal–Spain border Portugal–Spain border The Portugal–Spain border is the international boundary between Portugal and Spain. Referred to as "la Raya" in Spanish and "A Raia" in Portuguese (the stripe), the current demarcation is almost identical to that defined in 1297 by the Treaty of Alcañices. It is one of the oldest borders in the world. The Portugal–Spain border is 1,214 km (754 miles) long and considered the longest uninterrupted border within the European Union. The border is not defined for 18 km (11 miles) between the Caia river and Ribeira de Cuncos, because of the disputed status of Olivenza, which has been
Tourism in Portugal Tourism in Portugal Tourism in Portugal serves millions of international and domestic tourists. Tourists visit to see cities, historic landmarks, enjoy beaches, or religious sites. In 2016, Portugal had 21.2 million visitors, 12.6 million of which were foreign. The most popular destinations were Lisbon, Porto, Fatima, the Portuguese Riviera and the Algarve. The most popular with internationals were Lisbon, the Algarve and Northern Portugal. National tourists prefer Northern Portugal, followed by Central Portugal and the Algarve. In 2006, the country was visited by 7 million tourists. Ten years later, the country was visited by 12.6 million international tourists. In 2016,