Koiwasawa is a locality and its consensus geometry is derived from geonames.
{"gn:population":0,"name:jpn_x_preferred":["小岩沢"],"geom:latitude":38.09507,"gn:name":"Koiwasawa","wof:name":"Koiwasawa","counts:names_total":2,"gn:feature_code":"PPL","gn:feature_class":"P","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191569,"country_id":85632429,"county_id":1108740103,"locality_id":1276904551,"region_id":85672853}],"gn:dem":317,"mz:min_zoom":12,"lbl:min_zoom":13.5,"geom:area":0,"gn:admin2_code":"2111692.0","gn:latitude":38.09507,"gn:asciiname":"Koiwasawa","lbl:bbox":"140.18348,38.07507,140.22348,38.11507","counts:concordances_total":1,"gn:country_code":"JP","geom:type":"Point","wof:lastmodified":1566725631,"gn:admin1_code":"44.0","wof:belongsto":[102191569,85632429,85672853,1108740103],"wof:repo":"whosonfirst-data-admin-jp","wof:country":"JP","counts:names_preferred":1,"geom:area_square_m":0,"counts:names_variant":1,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"JP","geom:bbox":"140.20348,38.09507,140.20348,38.09507","wof:superseded_by":[],"wof:geomhash":"db967f2aef43faa526b76689982a032f","name:und_x_variant":["Koiwazawa"],"wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","gn:longitude":140.20348,"mz:is_deprecated":0,"gn:modification_date":"2017-04-09","geom:longitude":140.20348,"wof:id":1276904551,"wof:concordances":{"gn:id":2114172},"src:geom":"geonames","gn:geonameid":2114172,"wof:tags":[],"counts:names_languages":2,"wof:supersedes":[],"wof:parent_id":1108740103,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Asia/Tokyo","edtf:cessation":"uuuu"}