Birkfeld is a localadmin and its consensus geometry is derived from austriaod.
{"name:epo_x_preferred":["Birkfeld"],"name:uzb_x_preferred":["Birkfeld"],"geom:latitude":47.354959,"name:vol_x_preferred":["Birkfeld"],"eurostat:nuts_2021_level_lau":"61757","wof:name":"Birkfeld","counts:names_total":20,"eurostat:population_year":2020,"name:ceb_x_preferred":["Birkfeld"],"name:kaz_x_preferred":["Биркфельд"],"mz:is_current":1,"name:vie_x_preferred":["Birkfeld"],"wof:hierarchy":[{"continent_id":102191581,"country_id":85632785,"county_id":102049765,"localadmin_id":1108838855,"region_id":85681687}],"name:slk_x_preferred":["Birkfeld"],"mz:min_zoom":12,"eurostat:population":4958,"lbl:latitude":47.335613,"lbl:min_zoom":13.5,"eurostat:nuts_2021_level_1":"AT2","eurostat:nuts_2021_level_2":"AT22","geom:area":0.010696,"name:hun_x_preferred":["Birkfeld"],"eurostat:nuts_2021_level_3":"AT224","label:eng_x_preferred_placetype":["municipality"],"eurostat:nuts_2021_level_0":"AT","counts:concordances_total":3,"geom:type":"Polygon","name:ces_x_preferred":["Birkfeld"],"wof:lastmodified":1695877063,"wof:belongsto":[102191581,85632785,85681687,102049765],"name:rus_x_preferred":["Биркфельд"],"wof:repo":"whosonfirst-data-admin-at","eurostat:nuts_2021_id":"61757","wof:country":"AT","counts:names_preferred":20,"geom:area_square_m":8.9596824613479E7,"name:swe_x_preferred":["Birkfeld"],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AT","geom:bbox":"15.5858195164,47.2943646187,15.749504237,47.4217771002","name:spa_x_preferred":["Birkfeld"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["Birkfeld"],"name:nld_x_preferred":["Birkfeld"],"wof:geomhash":"e2bcbcff3ca6deaa4d536d73b7ba1b07","name:fas_x_preferred":["بیرکفلد"],"wof:placetype_id":404221409,"eurostat:level_code":"lau","mz:is_ceased":0,"wof:created":1490047176,"lbl:max_zoom":18,"src:population":"eurostat","src:population_date":"2020","austriaod:objectid":1846,"wof:placetype":"localadmin","name:ita_x_preferred":["Birkfeld"],"label:deu_x_preferred_placetype":["gemeinde"],"name:zho_x_preferred":["比克费尔德"],"eurostat:name_local":"Birkfeld","mz:is_deprecated":0,"geom:longitude":15.674698,"wof:population":4958,"wof:id":1108838855,"name:war_x_preferred":["Birkfeld"],"austriaod:gem_nr":61757,"austriaod:bez_nr":617,"wof:concordances":{"austriaod:number":"61757","eg:gisco_id":"AT_61757","eurostat:nuts_2021_id":"61757"},"austriaod:land_name":"Steiermark","src:geom":"austriaod","austriaod:bez_name":"Weiz","name:pol_x_preferred":["Birkfeld"],"austriaod:gem_name":"Birkfeld","wof:tags":[],"eurostat:gisco_id":"AT_61757","wof:population_rank":4,"counts:names_languages":20,"austriaod:land_nr":6,"wof:supersedes":[1125321857,1125321875,1125360349,1125363927],"lbl:longitude":15.688292,"wof:parent_id":102049765,"wof:placetype_names":["localadmin"],"mz:hierarchy_label":1,"eurostat:country_code":"AT","edtf:cessation":"uuuu","name:deu_x_preferred":["Birkfeld"]}