rel(1337468);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=9];
Recherche des frontiéres administratives interieur à la relation "1337468" : "Saint-Mars-Vieux-Maisons".
rel(1337468);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=9];