Portugal–Spain border disputed between the two countries for two hundred years. A microstate existed previously on the border called Couto Misto. Districts on the Portuguese side of the border from North to South: Provinces on the Spanish side of the border from North to South: Portugal and Spain signed the Schengen Agreement in June 1991 which came into effect on 26 March 1995, making Portugal and Spain part of the Schengen area and thus the border then became an Open border. Portugal has since reintroduced border checks several times along the border with Spain, during the UEFA Euro 2004 championships, during the
São Pedro do Sul, Portugal the 6th century BC, lacking streets of right angles and full of construction almost always circular. One of the Castros in São Pedro do Sul is Castro da Cárcoda. In the region exist several Roman bridges and Roman Thermal Spas. São Pedro do Sul was the southern border of the Kingdom of Portugal at the time of the Foundation of the country, being the natural border the river Vouga that's the reason of the name "Saint Peter of South". The first King of Portugal Afonso Henriques lived in São Pedro do Sul while healing is injuries after the battle of