The closest relative of Portuguese is Galician, which is spoken in the autonomous community (region) and historical nationality of Galicia (northwestern Spain). The two were at one time a single language, known today as Galician-Portuguese, but they have diverged especially in pronunciation and vocabulary due to the political separation of Portugal from Galicia. There is, however, still a linguistic continuity consisting of the variant of Galician referred to as "galego-português baixo-limiao", which is spoken in several Galician villages between the municipalities of Entrimo and Lobios and the transborder region of the natural park of Peneda-Gerês/Xurês. It is "considered a rarity, a living vestige of the medieval language that ranged from Cantabria to Mondego [...]".