Castagna is a locality and its consensus geometry is derived from geonames.
{"gn:population":12,"geom:latitude":40.46254,"gn:name":"Castagna","wof:name":"Castagna","counts:names_total":4,"gn:feature_code":"PPL","gn:admin3_code":"76061.0","gn:feature_class":"P","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633253,"localadmin_id":404456999,"locality_id":1243266207,"macroregion_id":404227529,"region_id":85685555}],"name:srp_x_preferred":["Kastanja"],"gn:dem":950,"mz:min_zoom":11,"lbl:min_zoom":13,"geom:area":0,"gn:admin2_code":"PZ","gn:latitude":40.46254,"gn:asciiname":"Castagna","lbl:bbox":"16.07954,40.44254,16.11954,40.48254","counts:concordances_total":1,"gn:country_code":"IT","geom:type":"Point","wof:lastmodified":1566724236,"gn:admin1_code":"2","wof:belongsto":[85685555,102191581,404456999,85633253,404227529],"wof:repo":"whosonfirst-data-admin-it","wof:country":"IT","counts:names_preferred":4,"geom:area_square_m":0,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"IT","geom:bbox":"16.09954,40.46254,16.09954,40.46254","wof:superseded_by":[],"name:nld_x_preferred":["Castagna"],"wof:geomhash":"d182d9d414d2a8188170d2369d79e873","wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"src:population":"geonames","wof:placetype":"locality","name:ita_x_preferred":["Castagna"],"gn:longitude":16.09954,"mz:is_deprecated":0,"gn:modification_date":"2014-04-14","geom:longitude":16.09954,"wof:population":12,"wof:id":1243266207,"wof:concordances":{"gn:id":8981874},"src:geom":"geonames","gn:geonameid":8981874,"wof:tags":[],"wof:population_rank":1,"counts:names_languages":4,"wof:supersedes":[],"wof:parent_id":404456999,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Europe/Rome","edtf:cessation":"uuuu","name:deu_x_preferred":["Castagna"]}