Les Nuits de la Mayenne are built on a simple and effective idea: take performing arts into heritage sites and let each place shape the evening. The 2026 edition moves through emblematic Mayenne locations, including Jublains, Sainte-Suzanne, Mayenne and Laval, giving audiences a cultural route across the department. The value for regional culture is in this dialogue between performance and site. A Roman theater, a castle town or a historic chapel changes how a play, concert or outdoor event is received. Visitors discover not only a programme, but a geography of Mayenne heritage, where architecture and landscape become active partners in the experience.