rel(337029);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 "337029" : "powiat żyrardowski".
rel(337029);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=7];rel(area.region)[boundary=local_authority];