which led toward the Atlantic Ocean through the cities of Tolosa and Burdigala.

The Roman colony of ''Narbo Martius'' was founded close to an older settlement: on the hill of Montlaurès, about 4 kilometers north of Narbonne, there was an oppidum that can be traced back to the 6th century BCE. Some scholars identify this settlement with ''Naro'' or ''Narbo'',