Mediolanum Santonum was an ancient Roman settlement located in what is now known as Mérignac, near Bordeaux in France. It served as the capital of the Santonii, a Celtic tribe, during the Roman Empire. The site is notable for its archaeological remains, which include remnants of buildings, roads, and artifacts that provide insight into the daily life and culture of its inhabitants. The settlement was strategically positioned along important trade routes, facilitating commerce and communication. Over time, Mediolanum Santonum became an essential hub for the surrounding region, contributing to the spread of Roman influence and culture in Gaul. Today, it is recognized for its historical significance and attracts researchers and visitors interested in ancient history.