Britons settled in western Armorica to escape the Saxons and the region started to be called Britannia, although this name only replaced Armorica in the sixth century or perhaps by the end of the fifth.

Breton-speaking people may pronounce the word Breizh in two different ways, according to their region of origin. Breton can be divided into two main dialects: the KLT (Kerne-Leon-Trégor) and the dialect