The "commune" of Langres is surrounded by the "communes" Balesmes-sur-Marne, Champigny-lès-Langres, Chatenay-Mâcheron, Humes-Jorquenay, Peigney, Perrancey-les-Vieux-Moulins, Saint-Ciergues, Saint-Vallier-sur-Marne and Saints-Geosmes.