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"].
ID42217 admin_level 8 boundary administrative population 12747 population:census:2011 12211 population:date 2019-11-30 postal_code 63076 ref:ISTAT 044045 ref:catasto F591 source:population http://demo.istat.it telephone_area_code 0735 type relation wikidata Q56083
ID70980916 gfoss_id 4378 istat_id 4404510002 place village population 1432 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