the "commune" of saint-dizier is surrounded by the "communes" trois-fontaines-l'abbaye, chancenay, bettancourt-la-ferrée, ancerville (meuse department), chamouilley, eurville-bienville, troisfontaines-la-ville, humbécourt, laneuville-au-pont, moëslains, valcourt, hallignicourt and villiers-en-lieu.