rel(1783601);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=8];
Recherche des frontiéres administratives interieur à la relation "1783601" : "Усть-Большерецкий район".
rel(1783601);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=8];