Bajo Aragón-Caspe (Spanish: [ˈbaxo aɾaˈɣoŋ ˈkaspe]) or Baix Aragó-Casp (Catalan: [ˈbaʒ əɾəˈɣo ˈkasp], locally: [ˈbajʒ aɾaˈɣo ˈkasp]) is a comarca in eastern Aragon, bordering the Spanish Autonomous Community of Catalonia.