La Litera (Spanish: [la liˈteɾa]) or La Llitera (Catalan: [la ʎiˈteɾa]) (Aragonese: A Litera) is an Aragonese comarca in the south-east of the province of Huesca.
Its cultural capital is Tamarite de Litera, its administrative capital is Binefar and it borders the comarques of Ribagorza, Somontano de Barbastro, Cinca Medio, Bajo Cinca in Aragon and Noguera and Segrià in Catalonia.
La Franja (Catalan pronunciation: [la ˈfɾandʒɛ]; "The Strip"; Aragonese: Francha) is the area of Catalan-speaking territories of eastern Aragon bordering Catalonia, in Spain. It literally means "the strip" and can also more properly be called Franja d'Aragó (Aragonese Strip), Franja de Ponent (Western Strip) or Franja Oriental d'Aragó (Eastern Strip of Aragon) in Catalan (in Aragonese: Francha Oriental d'Aragón, "Eastern Strip of Aragon"; or simply Francha de Lebán/Levant, "Eastern Strip", or Francha d'Aragón, "Aragonese Strip"; in Spanish: Franja de Aragón, "Aragonese Strip").
La Franja is usually considered to be comprised by a part of the municipalities of the following Aragonese administrative comarcas: la Ribagorza/Ribagorça, La Litera/La Llitera, Bajo Cinca/Baix Cinca, Bajo Aragón-Caspe/Baix Aragó-Casp, Bajo Aragón/Baix Aragó and Matarraña/Matarranya.