rel(2727986);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=10];
Recherche des frontiéres administratives interieur à la relation "2727986" : "Bütschwil-Ganterschwil".
rel(2727986);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=10];