Perarrúa (Spanish: [peɾaˈru.a] ), in Ribagorçan and Aragonese: Perarruga [2] (locally [peɾaˈru.a] ; Aragonese : Perarruga) is a municipality located in the province of Huesca, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 123 inhabitants.
42°16′0″N0°21′0″E / 42.26667°N 0.35000°E