Arab-Berber Arabization process in the Maghreb. Various population genetics studies along with historians such as Gabriel Camps and Charles-André Julien lend support to the idea that the bulk of the gene pool of modern Maghrebis, irrespective of linguistic group, is derived from the Berber populations of the pre-Islamic period. Arab-Berber Arab-Berbers (; ) are an ethnic group native to Maghreb, a North African region along the Mediterranean Sea and the Atlantic Ocean. Arab-Berbers are people of mixed Berber and Arab origin and whose native language is a variant of Maghrebi Arabic. Many Arab-Berbers identify primarily as Arab and secondarily as Berber.
Names of the Berber people and English when spelled "Berber". The term appeared first in the 4th century in the religious conflicts between Saint Augustine, a Numidian Berber-Roman bishop of the Catholic faith, and the Berber Donatists of the Donatism faith who were allies of the Barbarian Vandals. The Vandals migrated from Iberia (modern Spain and Portugal) where they were assailed by the Gauls allied to the Romans, and settled west of the Roman city of Carthage (in modern Tunisia) in the highlands (in modern Algeria). Derived terms include the toponym Barbary and the animals Barb horse and Barbary duck. The Greek term "βάρβαρος /