Si'an is a locality and its consensus geometry is derived from geonames.
{"gn:population":0,"geom:latitude":30.89833,"gn:name":"Si’an","wof:name":"Si'an","counts:names_total":7,"gn:feature_code":"PPLA4","gn:feature_class":"P","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191569,"country_id":85632695,"county_id":890516975,"empire_id":136253041,"locality_id":1310408601,"region_id":85669835}],"gn:dem":16,"mz:min_zoom":12,"lbl:min_zoom":13.5,"geom:area":0,"gn:latitude":30.89833,"gn:asciiname":"Si'an","lbl:bbox":"119.63361,30.87833,119.67361,30.91833","counts:concordances_total":1,"gn:country_code":"CN","geom:type":"Point","wof:lastmodified":1566688553,"gn:admin1_code":"02","wof:belongsto":[85669835,102191569,85632695,136253041,890516975],"wof:repo":"whosonfirst-data-admin-cn","wof:country":"CN","counts:names_preferred":0,"geom:area_square_m":0,"counts:names_variant":7,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"CN","geom:bbox":"119.65361,30.89833,119.65361,30.89833","wof:superseded_by":[],"wof:geomhash":"e7e1fb3ef6da1cc726172f91f0bc8d8e","name:und_x_variant":["Szean","Ssu-an","Ssu-an-chen","Si’an","泗安","Si’an Zhen","泗安镇"],"wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","gn:longitude":119.65361,"mz:is_deprecated":0,"gn:modification_date":"2012-01-18","geom:longitude":119.65361,"wof:id":1310408601,"wof:concordances":{"gn:id":1794308},"src:geom":"geonames","gn:geonameid":1794308,"wof:tags":[],"counts:names_languages":1,"wof:supersedes":[],"wof:parent_id":890516975,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Asia/Shanghai","edtf:cessation":"uuuu"}