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(331414);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=9];
ID331414 Kaliningrad Kaliningrad addr:country RU addr:region Калининградская область admin_level 6 boundary administrative official_status ru:городской округ population 459560 source:population Russian Wikipedia type relation wikidata Q27554528
ID27048976 Kaliningrad Kaliningrad addr:city Калининград addr:country RU addr:region Калининградская область admin_level 4 capital 4 contact:email cityhall@klgd.ru contact:ok https://ok.ru/group/54441535930433 contact:phone +7 4012 311031 contact:vk https://vk.com/public172046315 contact:website https://www.klgd.ru ele 11 flag https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Flag_of_Kaliningrad.svg/2560px-Flag_of_Kaliningrad.svg.png official_status ru:город place city population 489584 population:date 2024-01-01 postal_code 236000 start_date 1255-09-01 website https://www.klgd.ru wikidata Q1829 type node