Culture of Spain medieval times, a single language which linguists call Galician-Portuguese, Medieval Galician, or Old Portuguese, spoken in the territories initially ruled by the medieval Kingdom of Galicia. Both languages are even today united by a dialect continuum located mainly in the northern regions of Portugal. Aranese () is a standardized form of the Pyrenean Gascon variety of the Occitan language spoken in the Val d'Aran, in north western Catalonia on the border between Spain and France, where it is one of the three official languages besides Catalan and Spanish. Other languages of Spain: About 68% of Spaniards identify as belonging to
Foreign relations of Spain jure" sovereignty over Olivenza/Olivença on the grounds that the Treaty of Badajoz still stands and has never been revoked. Thus, the border between the two countries in the region of Olivenza/Olivença should be as demarcated by that treaty. Portugal claims the "de jure" sovereignty over Olivenza/Olivença on the grounds that the Treaty of Badajoz was revoked by its own terms (the breach of any of its articles would lead to its cancellation) when Spain invaded Portugal in the Peninsular War of 1807. Portugal further bases its case on Article 105 of the Treaty of Vienna of 1815, which Spain signed