Musée des Beaux-Arts et d'Archéologie de Besançon
The musée des Beaux-Arts et d'Archéologie (Museum of Fine Arts and Archeology) in the French city of Besançon is the oldest public museum in France. It was set up in 1694, nearly a century before the Louvre became a public museum.
Source: Wikipedia — Musée des Beaux-Arts et d'Archéologie de Besançon (CC BY-SA 4.0)