L'attribut boundary=administrative est utilisé pour marquer les frontières administratives de tout niveau (sauf multi-pays), niveau qui sera précisé avec l'attribut admin_level=*. OSM Wiki
Membres : relation["boundary"="administrative"]["admin_level"="7"].
rel(42172);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=7];rel(area.region)[boundary=local_authority];
ID42172 Sienne ISO3166-2 IT-SI admin_level 6 boundary administrative ref:ISTAT 052 ref:nuts ITI19 ref:nuts:3 ITI19 type relation wikidata Q16275 wikimedia_commons Category:Province of Siena
ID61753373 Sienne capital 6 contact:facebook https://www.facebook.com/ComuneDiSiena contact:twitter https://twitter.com/ComuneDiSiena contact:youtube https://www.youtube.com/user/ComuneDiSiena ele 322 gfoss_id 4654 heritage 1 heritage:operator whc place city population 53903 ref:whc 717 source geodati.gfoss.it website https://www.comune.siena.it/ whc:criteria (i),(ii),(iv) whc:inscription_date 1995 wikidata Q2751 wikimedia_commons Category:Siena type node