rel(81997);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=6];rel(area.region)[boundary=local_authority];
Recherche des frontiéres administratives interieur à la relation "81997" : "Oblast de Briansk".
rel(81997);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=6];rel(area.region)[boundary=local_authority];