The Arènes de Lutèce is one of Paris's oldest monuments, dating back to the Gallo-Roman era around the end of the 1st century AD. Located in the 5th arrondissement, this amphitheater was constructed on the eastern slopes of Montagne Sainte-Geneviève. It served a dual purpose, functioning both as an arena for gladiatorial combat and as a theater for dramatic performances. Originally, the arena could accommodate up to 15,000 spectators, making it a significant cultural venue during the Roman period.

The site was rediscovered in 1869 during urban development under Baron Haussmann, and thanks to the efforts of influential figures like Victor Hugo, it was preserved and later restored in the early 20th century. Today, the Arènes de Lutèce is a peaceful public park that retains a sense of its ancient grandeur. The site includes restored portions of the seating and stage, and it has become a community space where local residents gather for activities like pétanque and football. It also occasionally hosts theatrical and musical events, making it a vibrant historical and cultural landmark.

Adjacent to the arena is Square Capitan, a charming garden area that enhances the tranquility of the location. The Arènes de Lutèce offers an immersive glimpse into ancient Parisian history, while also serving as a recreational green space for locals and visitors alike.