Boljevac is a county and its consensus geometry is derived from meso.
{"geom:latitude":43.864978,"wof:name":"Boljevac","counts:names_total":1,"mz:is_current":0,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633755,"county_id":1092052437,"macroregion_id":404228357,"region_id":85688277}],"meso:source":"EGM","lbl:latitude":43.891222,"meso:adm1_loc":"Зајечарски","geom:area":0.092591,"counts:concordances_total":0,"edtf:deprecated":"2017-02-08","geom:type":"Polygon","wof:lastmodified":1507676551,"wof:belongsto":[102191581,85633755,85688277,404228357],"meso:hasc_1":"RS.ZJ","mps:latitude":43.891222,"wof:repo":"whosonfirst-data-admin-rs","wof:country":"RS","counts:names_preferred":0,"geom:area_square_m":8.25449211606719E8,"meso:adm1_alt2":"Zaječar","counts:names_variant":1,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"RS","geom:bbox":"21.652947,43.708922,22.132753,44.0259385","meso:iscgm_adm2":"Boljevac","src:lbl:centroid":"mapshaper","wof:superseded_by":[1108809857],"wof:geomhash":"9ff80e20891af1a8c9d2ceddc69b47f2","name:und_x_variant":["Boljevac"],"wof:placetype_id":102312313,"mz:is_ceased":0,"wof:created":1473898606,"wof:placetype":"county","meso:mps_y":43.891222,"meso:mps_x":21.856071,"mz:is_deprecated":1,"geom:longitude":21.899439,"wof:id":1092052437,"meso:adm1_alt":"Zaječarski","wof:concordances":{},"src:geom":"meso","wof:tags":[],"meso:gadm_adm2":"Boljevac","counts:names_languages":1,"mps:longitude":21.856071,"meso:name_en":"Boljevac","wof:supersedes":[],"lbl:longitude":21.856071,"wof:parent_id":85688277,"wof:placetype_names":["county"],"meso:name_loc":"Boljevac","mz:hierarchy_label":1,"edtf:cessation":"uuuu"}