🏛️ Roman Amphitheatre of Augustomagus
Gallo-Roman arena in northern Gaul, now Senlis, France
📌 Fast Facts
- Built: 1st century CE
- Ancient name: Augustomagus
- Modern location: Senlis, Oise département, northern France
- Estimated capacity: 8,000–10,000 spectators
The Roman Amphitheatre of Augustomagus is a first-century public entertainment structure in the Gallo-Roman town now known as Senlis, in the Picardy region of northern France. The monument reflects the adoption of Roman architectural and cultural practices by the provincial Gallic population during the Imperial period. As of 2026, only fragmentary ruins remain visible above ground, with much of the structure buried or integrated into the medieval and modern urban fabric of Senlis ...