Dulwich is a locality and its consensus geometry is derived from quattroshapes.
{"geom:latitude":-34.936816,"wof:coterminous":[404545217],"wof:name":"Dulwich","counts:names_total":3,"wd:wordcount":1288,"mz:is_current":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85632793,"county_id":102048505,"empire_id":136253039,"localadmin_id":404545217,"locality_id":101935929,"macrocounty_id":1376953367,"region_id":85681519}],"mz:min_zoom":12,"lbl:latitude":-34.936808,"lbl:min_zoom":13.5,"geom:area":5.9E-5,"qs:id":0,"qs:la":"Dulwich","counts:concordances_total":3,"qs:adm0":"Australia","geom:type":"Polygon","wof:lastmodified":1566601692,"qs:a1":"*South Australia","wof:belongsto":[85681519,102191583,1376953367,404545217,85632793,136253039,102048505],"mps:latitude":-34.936808,"qs:a0":"Australia","wof:repo":"whosonfirst-data-admin-au","qs:loc":"Dulwich","wof:country":"AU","counts:names_preferred":3,"geom:area_square_m":601821.57631,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"AU","geom:bbox":"138.624001248,-34.9401659965,138.634076992,-34.9332410025","name:eng_x_preferred":["Dulwich"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["Dulwich"],"wof:geomhash":"3d3a216a1c19c066239de824fc096d7a","qs:pop":0,"wof:placetype_id":102312317,"qs:la_lc":"*SSC40164","qs:level":"locality1","mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","name:zho_x_preferred":["都威治"],"mz:is_deprecated":0,"geom:longitude":138.628976,"wof:id":101935929,"qs:source":"SAustralian Bureau Of Statistics: state suburbs file selection","wof:concordances":{"gn:id":8348096,"wd:id":"Q5313536","wk:page":"Dulwich, South Australia"},"qs:a1r":"*","src:geom":"quattroshapes","src:geom_alt":[],"wof:tags":[],"counts:names_languages":3,"mps:longitude":138.628977,"qs:a1_lc":"4","wof:supersedes":[85775025],"lbl:longitude":138.628977,"wof:parent_id":404545217,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu"}