Over the weekend of 19–20 September 2026, the Hôtel de ville opens its doors for guided tours as part of the Journées européennes du patrimoine 2026. Municipal agents act as guides, sharing the history and everyday life of the building they work in.
Designed by architects Jean Nouvel and François Fontès, the city hall stands in the heart of the Port-Marianne district. The tour takes visitors through a range of spaces — from the main entrance hall and the municipal council chamber to meeting rooms — blending institutional architecture with local history and behind-the-scenes anecdotes.