The border was agreed upon with the Treaty of Lisbon in 1668.
The most common border-marking geological formations between Portugal and Spain are rivers, not mountains. There is no specific mountain range marking the border.
Spain is the only country that borders Portugal.
Portugal is bounded by the Atlantic Ocean and by Spain.
Portugal is west of Spain, between Spain and the Atlantic Ocean.
France connects Spain to the rest of Europe, however, Portugal does not border France as it only borders Spain.
The longest border in Spain is the border with Portugal to the west. The border with Portugal runs from the north of Spain to the south.
The most common border-marking geological formations between Portugal and Spain are rivers, not mountains. There is no specific mountain range marking the border.
Portugal, France, and Andorra all share a border with Spain.
Spain surronds Portugal on three sides, the other side is the Atlantic Ocean.
Spain shares a border with Portugal.
The only country sharing a border with Portugal, that is, Spain
There is no geographical feature that forms the border between Portugal and Spain. The Strait of Gibraltar and Mediterranean Sea separates Iberian Spain and Morocco. The Pyrenees Mountains forms the border between Spain and France and Spain and Andorra.
Spain is the only country to border Portugal. Spain is on two sides of Portugal, with the west and south side being the Atlantic Ocean. Spain
The border between Spain and Portugal is long and it has different landforms along it, including rivers, mountains and flat areas.
If you mean between Spain and France these are called the Pyrenees. Spain is IN Europe and it also has a border with Portugal. With the exception of Portugal, the Pyrenees could be said to separate Spain from the rest of Europe.
Spain.
Portugal shares Spain's western border.