Narbo Martius was an ancient Roman city located in what is now southern France. Founded in 118 BC, it served as a significant trade hub and the first Roman colony in Gaul. The city was strategically positioned near the Mediterranean Sea, facilitating commerce and cultural exchange between Rome and the provinces. The city was known for its impressive architecture, including temples, forums, and amphitheaters. Over time, Narbo Martius became a center for Roman administration and military presence in the region, influencing the development of nearby settlements and contributing to the spread of Roman culture in Gaul.