The border between Spain and Portugal is called “The Stripe” (la Raya) in Spanish. It is one of the oldest borders in the world. The current delimitation is almost identical to that defined in 1297 by the Treaty of Alcaices. The border between Portugal and Spain is 1,214 km long and is considered the longest unbroken border within the European Union. The border between the Caia River and the Ribeira de Cuncos is not defined because of the controversial status of Olivenza/Olivena, which has been the subject of controversy between the two countries for two hundred years. According to Spain, the region is part of the autonomous community of Extremadura of the country, while Portugal considers the city as part of the province of Alto Alentejo. Nevertheless, the management of Olivenza is managed by the Spanish government. The region covers an area of 751 km2 and has about 11,512 inhabitants. Portugal had claimed the region since 1297, but had the sovereignty of the city that Spain had taken after the 17th century Orange War and the signing of the Badajoz Treaty of 1801. The answer for: Barely modified since an agreement of 1297, the border between these two countries is called La Raya on one side and A Raia on the other: the Luso-Spanish border is called “The Stripe” (Galician: A Raia, Portuguese: A Raia, Mirandese: La Raia, Spanish: La Raya). It is one of the oldest borders in the world. The current delimitation is almost identical to that defined in 1297 by the Treaty of Alcaices. The border between Portugal and Spain is 1,232 km long and is considered the longest unbroken border within the European Union.
 In the fortification lines is the archaeological site with the ruins of the medieval castle at the end of the 13th. Century that has an extraordinary interest in the evaluation of Portuguese military architecture, including the Manual Transitional Architecture, as well as the symbolism of the identity idea of the border, expressed in the Treaty of Alcanizes in 1297, which established an alliance of friendship and mutual defense between Portugal and Castile, which led to peace between the two nations. On this side, you will be able to find barely changed since an agreement of 1297, the border between these two countries is called La Raya on one side – A Raia on the other. Please be sure to leave a comment below if something is fake or missing. Our employees are happy to help. With regard to Ciudad Rodrigo, Almeida is from the beginning the main anchor of the definition of the borders of the Portuguese state, which has the border with the oldest borders and the peace treaty still in force – the Treaty of Alcanizes, 1297, which is therefore directly associated with the idea of national identity of Portugal. The Spanish-Portuguese border extends from the lower Minho River to the north of the mouth of the Guadiana River and ends 1214 km further down the Atlantic Ocean.