Ribagorza or Ribagorça is a comarca in Aragon, Spain, situated in the north-east of the province of Huesca. It borders the French département of the Haute-Garonne to the north and Catalonia to the east. Within Aragon its neighboring comarcas are Sobrarbe, Somontano de Barbastro, and La Litera. It roughly corresponds to the Aragonese part of the medieval County of Ribagorza. The administrative capital of Ribagorza is Graus, although the historical capital of the county was at Benabarre.