Roman Republican governors of Gaul were assigned to the province of Cisalpine Gaul (northern Italy) or to Transalpine Gaul, the Mediterranean region of present-day France also called the Narbonensis, though the latter term is sometimes reserved for a more strictly defined area administered from Narbonne (ancient Narbo). Latin Gallia can also refer in this period to greater Gaul independent of Roman control, covering the remainder of France, Belgium, and parts of the Netherlands and Switzerland, often distinguished as Gallia Comata and including regions also known as Celtica (Κελτική in Strabo and other Greek sources), Aquitania, Belgica, and Armorica (Britanny). To the Romans, Gallia was a vast and vague geographical entity distinguished by predominately Celtic inhabitants, with "Celticity