This guidebook investigates the architectural legacy and historical significance of Roman structures preserved throughout the southern regions of France. James Bromwich provides a comprehensive survey of sites ranging from major urban centers to isolated ruins, utilizing archaeological data and historical context to frame each location. The work serves as a practical resource for travelers and students interested in the physical remnants of the Roman Empire in Gaul, organizing sites by geographical proximity and historical era.

Experts and travelers frequently cite this work as a reliable and thorough reference for exploring Roman sites in France. The prose is noted for its clarity and focus on providing functional information for those visiting the ruins in person.