Portugal–Spain border

Portugal–Spain border

Guadiana International Bridge, connecting Portugal & Spain
Entities  Portugal  Spain
Established 1143

The victory of king Afonso I of Portugal over his cousin king Alfonso VII of León at the Battle of Valdevez, forced the Kingdom of León to recognise Portugal as a country, thus establishing the northern borders of Portugal.

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 mi) long and considered the longest uninterrupted border within the European Union. The border is not defined between the Caia river and Ribeira de Cuncos, because of the disputed status of Olivenza, which has been disputed between the two countries for two hundred years.

A microstate existed previously on the border called Couto Misto.

Bordering districts and provinces

Sign when entering Portugal from Spain.
Sign when entering Spain from Portugal.

Districts on the Portuguese side of the border from North to South:

Provinces on the Spanish side of the border from North to South:

Maritime borders

Portugal's maritime borders, also known as the Exclusive economic zone of Portugal is currently disputed by Spain in the Savage Islands area.

Important treaties

Border crossings

Bridges across the border include the Guadiana International Bridge and the Lower Guadiana International bridge.

A zipline across the border exists between Sanlucar de Guadiana in Spain and Alcoutim in Portugal; it is the first and currently only zip line over an international border.[1]


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