Gaul

Gaul was an historic region in Europe.

Background
Caesar mentions Gaul as a site his namesake campaigned before crossing the Rubicon. The Fallout: New Vegas Official Game Guide Collector's Edition mentions that Caesar still sees himself as a king of the Gauls, instead of a Roman emperor.

Appearances
Gaul is mentioned in Fallout: New Vegas and the Fallout: New Vegas Official Game Guide Collector's Edition.