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
Portugal–Spain relations revoking the Treaty of Badajoz and restoring Olivenza / Olivença to Portugal. Portugal claims "de jure" sovereignty over Olivenza / Olivença on the grounds that the Treaty of Badajoz was revoked by its own terms (which stated: the breach of any of its articles would lead to its cancellation) when Spain invaded Portugal in the Peninsular War of 1807 and, foremost, due to the fact that Spain signed the Treaty of Vienna in 1815, which recognizes Olivenza / Olivença as Portuguese territory. Recently, Spain has also initiated a diffuse dispute regarding Portugal's Exclusive Economic Zone in the territorial waters of