rel(2006234);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=7];rel(area.region)[boundary=local_authority];
Recherche des frontiéres administratives interieur à la relation "2006234" : "powiat biłgorajski".
rel(2006234);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=7];rel(area.region)[boundary=local_authority];