North and East : main cities

Amiens, Auxerre, Belfort, Calais, Châlons-en-Champagne, Charleville-Mézières, Chaumont, Colmar, Dijon, Dunkerque, Lens, Lille, Metz, Mulhouse, Nancy, Orléans, Paris, Reims, Saint-Dizier, Saint-Quentin, Strasbourg, Troyes.