Ribagorza is one of the historical Aragonese counties, collindant with the county of Sobrarbe[?] and the county of Pallars. Its territory was the valleys of the rivers Esera[?], Isabena[?], and Noguera Ribagorzana[?].
The historical capital was Benabarre. Nowadays Barbastro[?] have taken precedence as the main center of the area.
Some notable towns in the area are:
... holds one of the oldest races on the Formula One automobile racing circuit. The Monaco Grand Prix, held there annually, was first organized under the auspices of Prince ...