Most popular citadels FranceHauts-de-France Citadels Hauts-de-france Citadels Hauts-de-France mapSee on the map Hauts-de-france citadels by popularity rating +MONTREUILFranceCitadel of Montreuil-sur-Mer+ARRASFranceCitadel of Arras+LILLEFranceCitadel of Lille See citadels in other regions Bourgogne-Franche-Comté Corsica Grand Est Hauts-de-France Nouvelle-Aquitaine Occitanie Provence-Alpes-Côte d'Azur Other categories:MuseumsChurchesBeachesGardensCastlesPublic squaresParksCathedralsFortressesMonasteriesMilitary museumsAnimalsBoardwalksLookoutsAquariumsBotanical GardensMonuments