Peñarroya de Tastavins (Spanish: [peɲaˈroʝa ðe tastaˈβins]) or Pena-roja (Catalan: [ˈpenə ˈrɔʒə], locally: [ˈpena ˈrɔtʃa]) is a municipality located in the Matarranya comarca, province of Teruel, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 527 inhabitants.