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"="9"].
ID42209 admin_level 8 boundary administrative population 8540 population:census:2011 8470 population:date 2019-11-30 postal_code 63082 ref:ISTAT 044011 ref:catasto C093 source:population http://demo.istat.it/ telephone_area_code 0736 type relation wikidata Q56038
ID70979656 gfoss_id 4344 istat_id 4401110001 place village population 7733 population:date 2011-10-09 population:note Popolazione del centro abitato. La popolazione dell'intero comune è inserita nella relazione amministrativa population:note:en Urban centre population. The municipality population is in the boundary relation source:population Istat 2011 census type node