Claim: The territory of the Abrincatui, a Gallic tribe living in the south of the Cotentin Peninsula,  mostly corresponded to the areas of Avranchin and Mortainais.
Evidence: The Abrincatui were a Gallic tribe living in the south of the Cotentin Peninsula. The territory of the Abrincatui mostly corresponded the areas of Avranchin and Mortainais.