In Aragon, the dialect in Ribagorza can be clustered into 2 main groups Upper and Lower Ribagorçan defined by an isogloss line running east-west from the Turbón mountain.
•
The area corresponds to the modern administrative units of Ribagorza and La Litera/Llitera, in the province of Huesca, Aragon, and Alta Ribagorça in the province of Lleida, Catalonia.
9th region, the capital was Tremp and the comarques: l'Alt Urgell, el Pallars Jussà, el Pallars Sobirà and la Vall d'Aran (l'Alta Ribagorça, newly created in 1987, was back then included in this region).
By the 9th century, the Catalan language had developed from Vulgar Latin on both sides of the eastern end of the Pyrenees mountains and valleys (counties of Rosselló, Empúries, Besalú, Cerdanya, Urgell, Pallars and Ribagorça), as well as the territories of the Roman province and later archdiocese of Tarraconensis to the south.
Roda d'Isàvena is a village in the municipality of Isàvena, in the region of Ribagorça, in the province of Huesca, Spain.