20th Arrondissement is a borough and its consensus geometry is derived from whosonfirst.
{"geom:latitude":48.863384,"wof:name":"20th Arrondissement","counts:names_total":6,"mz:is_current":1,"wof:hierarchy":[{"borough_id":1158894273,"continent_id":102191581,"country_id":85633147,"localadmin_id":1159322569,"locality_id":101751119,"macroregion_id":404227465,"region_id":85683497}],"mz:min_zoom":14,"lbl:latitude":48.864495,"name:fra_x_variant":["20e arrondissement de paris","XXe arrondissement de paris","Paris XXe"],"geom:area":7.27E-4,"mz:is_funky":0,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1644948155,"wof:belongsto":[85683497,102191581,1159322569,85633147,404227465,101751119],"mps:latitude":48.864495,"wof:repo":"whosonfirst-data-admin-fr","wof:country":"FR","counts:names_preferred":2,"geom:area_square_m":5913374.288795,"counts:names_variant":4,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","geom:bbox":"2.377147,48.846633,2.416346,48.878365","name:eng_x_preferred":["20th Arrondissement"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["20e Arrondissement"],"wof:geomhash":"ac02d66d49106cd93b83034528e3eb14","wof:placetype_id":421205763,"mz:is_ceased":0,"wof:placetype":"borough","mz:max_zoom":18,"reversegeo:latitude":48.864578,"mz:is_deprecated":0,"geom:longitude":2.401184,"wof:id":1158894273,"wof:concordances":{"wd:id":"Q210720"},"name:eng_x_variant":["20th arrondissement of Paris"],"src:geom":"whosonfirst","wof:tags":[],"counts:names_languages":2,"mps:longitude":2.40252,"reversegeo:longitude":2.402533,"wof:supersedes":[420782725,102070381],"lbl:longitude":2.40252,"mz:is_landuse_aoi":0,"wof:parent_id":101751119,"wof:placetype_names":["borough"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu"}