Sobrarbe is a comarca of Aragon, Spain. It is located in the north of Huesca province, making up part of the autonomous community of Aragon. Many of its people speak the Aragonese language locally known as fabla.
Sobrarbe is a mountainous region with some of the highest peaks in the Pyrenees, extending from the heights of the Axial Pyrenees in the north on the border with France, to the external Pyrenean mountain ranges in the south which separate it from the Aragonese mountains.
Historically, people referred to the language as fabla ('talk' or 'speech'). Native Aragonese people usually refer to it by the names of its local dialects such as cheso (from Valle de Hecho) or patués (from the Benasque Valley).
The Ribagorçan dialect is a transitional Aragonese–Catalan dialect spoken in the western part of the comarca. Municipalities in the eastern part, bordering Catalonia, are part of La Franja, a geolinguistic area, where the local language is a variety of Catalan. However, Aragonese and Catalan form a dialect continuum here and the geographical limit of both languages cannot be drawn in a clear-cut manner.
Biescas (Spanish pronunciation:[ˈbjeskas]) is a municipality of northeastern Spain close to the border with France, in the midst of the Pyrenees in the province of Huesca. The name seems to provide from the term bizka, which means "hill" in a Proto-Indo-European language.
The town of Biescas is located at 875 meters altitude on the banks of the Gállego river. The municipality extends along a small plain and includes the canyon to access to the Tena Valley. At 72 km north of the main city Huesca, Biescas is a communication hub between the regions of Jacetania and Sobrarbe. The town is strategically located to crossing the Gállego river, as a link between the valleys of Tena and Ara.