Yamaguchi is a locality and its consensus geometry is derived from geonames.
{"gn:population":0,"name:jpn_x_preferred":["山口"],"geom:latitude":34.41509,"gn:name":"Yamaguchi","wof:name":"Yamaguchi","counts:names_total":22,"gn:feature_code":"PPL","name:ceb_x_preferred":["Yamaguchi"],"gn:admin3_code":"29441.0","gn:feature_class":"P","mz:is_current":-1,"name:tha_x_preferred":["ยามางูจิ"],"wof:hierarchy":[{"continent_id":102191569,"country_id":85632429,"county_id":1108742603,"locality_id":1343723365,"region_id":85672779}],"name:kat_x_preferred":["იამაგუტი"],"name:slk_x_preferred":["Jamaguči"],"gn:dem":247,"mz:min_zoom":12,"lbl:min_zoom":13.5,"name:por_x_preferred":["Yamaguchi"],"geom:area":0,"name:kor_x_preferred":["야마구치"],"gn:admin2_code":"1848164.0","name:swa_x_preferred":["Yamaguchi"],"gn:latitude":34.41509,"gn:asciiname":"Yamaguchi","lbl:bbox":"135.87052,34.39509,135.91052,34.43509","counts:concordances_total":1,"gn:country_code":"JP","geom:type":"Point","wof:lastmodified":1566725109,"gn:admin1_code":"28.0","wof:belongsto":[102191569,85632429,85672779,1108742603],"name:ron_x_preferred":["Yamaguchi"],"name:rus_x_preferred":["Ямагути"],"wof:repo":"whosonfirst-data-admin-jp","wof:country":"JP","counts:names_preferred":22,"geom:area_square_m":0,"name:swe_x_preferred":["Yamaguchi"],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"JP","name:ukr_x_preferred":["Ямаґуті"],"geom:bbox":"135.89052,34.41509,135.89052,34.41509","name:spa_x_preferred":["Yamaguchi"],"wof:superseded_by":[],"name:fra_x_preferred":["Yamaguchi"],"name:nld_x_preferred":["Yamaguchi"],"wof:geomhash":"5f329ef7a0fe1bfa6d491a3ae2d6e72c","name:fas_x_preferred":["یاماگوچی"],"wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","name:ita_x_preferred":["Yamaguchi"],"name:mlg_x_preferred":["Yamaguchi"],"gn:longitude":135.89052,"name:nor_x_preferred":["Yamaguchi"],"mz:is_deprecated":0,"gn:modification_date":"2017-04-09","geom:longitude":135.89052,"wof:id":1343723365,"wof:concordances":{"gn:id":9631837},"name:cat_x_preferred":["Yamaguchi"],"src:geom":"geonames","name:fin_x_preferred":["Yamaguchi"],"gn:geonameid":9631837,"wof:tags":[],"counts:names_languages":22,"wof:supersedes":[],"wof:parent_id":1108742603,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Asia/Tokyo","edtf:cessation":"uuuu","name:deu_x_preferred":["Yamaguchi"]}