Tam Da is a locality and its consensus geometry is derived from geonames.
{"gn:population":0,"geom:latitude":21.48473,"gn:name":"Tam Đa","wof:name":"Tam Da","counts:names_total":1,"gn:feature_code":"PPL","gn:feature_class":"P","mz:is_current":-1,"name:vie_x_preferred":["Tam Đa"],"wof:hierarchy":[{"continent_id":102191569,"country_id":85632763,"county_id":1108781213,"locality_id":1293498255,"region_id":85680663}],"gn:dem":43,"mz:min_zoom":12,"lbl:min_zoom":13.5,"geom:area":0,"gn:latitude":21.48473,"gn:asciiname":"Tam Da","lbl:bbox":"105.36138,21.46473,105.40138,21.50473","counts:concordances_total":1,"gn:country_code":"VN","geom:type":"Point","wof:lastmodified":1566648501,"gn:admin1_code":"86.0","wof:belongsto":[102191569,85632763,85680663,1108781213],"wof:repo":"whosonfirst-data-admin-vn","wof:country":"VN","counts:names_preferred":1,"geom:area_square_m":0,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"VN","geom:bbox":"105.38138,21.48473,105.38138,21.48473","wof:superseded_by":[],"wof:geomhash":"e8519a9042ef9c0b5875e38c1997ee79","wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","gn:longitude":105.38138,"mz:is_deprecated":0,"gn:modification_date":"2013-09-11","geom:longitude":105.38138,"wof:id":1293498255,"wof:concordances":{"gn:id":8609172},"src:geom":"geonames","gn:geonameid":8609172,"wof:tags":[],"counts:names_languages":1,"wof:supersedes":[],"wof:parent_id":1108781213,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Asia/Ho_Chi_Minh","edtf:cessation":"uuuu"}