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Spanish is spoken in Aragon by the whole population.
Aragonese Aragonese or Castilian: aragonés, also known as fabla, is spoken in the north, but is not recognized as an official language. This language is similar to Catalan and Castilian with some Basque and Occitan influences.Catalan is also spoken in the East of the region Catalan: 'Franja de Ponent, literally West Strip, being West of Catalunya though, it has no official status.