Tracked on 1 list across 1 authority.
Grand Siècle-style 4-star hotel in a 1720 building near the Opéra and Place Vendôme; 57 rooms with library and artworks.
Description via Yonder-society.
Hôtel Mansart appears on 1 of the lists Mouga tracks, and written up on 1 more. Here's the full trail, dated and linked to each source.