Portugal–Spain border

Common card · No. 433127

The Portugal–Spain border, also known as "the Stripe", is an international border between Portugal and Spain. It is 1,234 km (767 mi) long, making it the longest continuous international border within the European Union. The Portugal–Spain border was first defined in 1297 by the Treaty of Alcañices and has barely changed since then, which makes it one of the world's oldest international borders. As a member of the Schengen Area since 1995, the Portugal–Spain border is an open border.

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