This article is a contribution to the geography of villas in Roman Gaul. It discusses the discoveries of archaeological sites identified as villas on the territory of the Roman sites of Aquae Sextiae, Arelate and Assilia. To this end, it distinguishes between the residential and productive functions of the villas. The term villa is used in the context it has taken in archaeological vocabulary to designate one or more buildings which have had one of these two functions. The presence of a residential building defines a villa as the center of an estate. The presence of a mausoleum materializes a link with the local aristocrats of the neighboring towns. Epigraphic discoveries have established in some cases that the residential part of the villa...