Darius mentions the district of Margu but, like Herodotus, omits them from his list of peoples; so that ethnographically they are perhaps to be assigned to the Arians.
Ethnographically, the Bavarians belong to various ancient tribes; Germanized Slavs in the north-east, Swabians and Franks in the centre, Franks towards the west, and, in the Palatinate, Walloons.
Its territory comprises chiefly districts of the Baltic provinces of the Russian Empire, which linguistically or ethnographically belonged to the Letts, whence the name of Latvia as a new nation-state.