Political map of Gaul in the late fourth century ce adapted from CAH XIII (eds. A Cameron and P. Garnsey), pp. 18–19.

Arles and environs (E. Intagliata).

Plan of Arles in the fifth century (M. Heijmans, Centre national de la recherche scientifique (CNRS)).

Plan of Arles in the sixth century (M. Heijmans, Centre national de la recherche scientifique (CNRS)).

The region with Christian sites and centres highlighted (E. Intagliata).

The environs of the Étang de Berre in the fifth and sixth centuries ce






