egion, Gallic tribes had occupied the Armorican peninsula, dividing it into five regions that then formed the basis for the Roman administration of the area, and which survived into the period of the Duchy. These Gallic tribes – termed the Armorici in Latin – had close relationships with the Britonnes tribes in Roman Britain. Between the late 4th and the early 7th centuries, many of these Britonnes migrated to the Armorican peninsula, blending with the local people to form the later Britons, who eventually became the Bretons. The reasons for these migrations remain uncertain. These migrations from Britain contributed to Brittany's name. Brittany fragmented into small, warring regna, kingdoms, each competing for resources. The Frankish Carolingian Empire conquered the region during the 8th century, starting around 748 taking the whole of Brittany by 799. The Carolingians tried to create a unitary administration around the centres of Rennes, Nantes, and Vannes using the local rulers, but the kings of Brittany's hold on the region remained tenuous. Carolingian technology and culture began to influence Brittany, and the church in Brittany also began to emulate the Frankish model. The greatest influence on the later Duchy, howe