Bilecik is a region and its consensus geometry is derived from quattroshapes.
{"eurostat:mount_type":"3","name:ell_x_preferred":["Επαρχία Μπιλετσίκ"],"name:vol_x_preferred":["Biläcikiän"],"name:hif_x_preferred":["Bilecik Praant"],"ne:woe_label":"Bilecik, TR, Turkey","name:pnb_x_preferred":["صوبہ بیلیجک"],"eurostat:urban_type":"2","ne:mapcolor13":4,"ne:gns_name":"Bilecik Ili","name:srp_x_preferred":["Билеџик"],"ne:iso_a2":"TR","wof:geom_alt":["quattroshapes"],"ne:code_hasc":"TR.BC","ne:labelrank":"7","name:chv_x_preferred":["Биледжик"],"name:bos_x_preferred":["Bilecik"],"ne:name_alt":"","ne:sov_a3":"TUR","qs:adm0":"Turkey","geom:type":"MultiPolygon","ne:gadm_level":"1","ne:latitude":"40.03870000000","qs:a1":"Bilecik","mps:latitude":40.089034,"qs:a0":"Turkey","wof:repo":"whosonfirst-data-admin-tr","ne:sub_code":"","wof:breaches":[],"edtf:inception":"uuuu","statoids:area_km":"4,307","name:hin_x_preferred":["बिलेसिक प्रांत"],"name:tam_x_variant":["பிலெசிக் மாகாணம்"],"wof:geomhash":"c7d8cbc24dc2ae1b8f41d1e007378b26","ne:featurecla":"Admin-1 scale rank","ne:adm0_sr":"1","mz:is_ceased":0,"name:nan_x_preferred":["Bilecik"],"src:population_date":"2021","ne:adm1_code":"TUR-2263","name:mrj_x_preferred":["Биледжик"],"name:est_x_preferred":["Bileciki provints"],"statoids:name":"Bilecik","name:oci_x_preferred":["Província de Bilecik"],"name:dan_x_preferred":["Bilecik Province"],"name:diq_x_preferred":["Bilecik"],"ne:datarank":"5","qs:a0_lc":"TR","name:war_x_preferred":["Bilecik"],"name:eus_x_preferred":["Bilecik probintzia"],"name:yue_x_preferred":["比萊吉克省"],"name:hye_x_variant":["Բիլեջիկ","Բիլեջիքի մարզ"],"name:cat_x_preferred":["Província de Bilecik"],"src:geom_alt":["quattroshapes"],"label:eng_x_preferred_shortcode":["BC"],"name:pol_x_preferred":["Bilecik"],"ne:code_local":"","name:hye_x_preferred":["Բիլեջիկի նահանգ"],"statoids:area_mi":"1,663","name:oss_x_preferred":["Биледжик"],"wof:population_rank":10,"ne:geonunit":"Turkey","name:crh_x_preferred":["Bilecik"],"name:urd_x_variant":["بیلیجک صوبہ"],"wof:supersedes":[],"lbl:longitude":30.094829,"name:mar_x_preferred":["बिलेचिक प्रांत"],"ne:gn_region":"","eurostat:country_code":"TR","edtf:cessation":"uuuu","name:ben_x_preferred":["বিলেচিক প্রদেশ"],"counts:names_total":105,"eurostat:population_year":2021,"name:mkd_x_preferred":["Билеџик"],"ne:region_sub":"","wof:hierarchy":[{"continent_id":102191569,"country_id":85632393,"region_id":85679227}],"eurostat:name_latin":"Bilecik","mz:min_zoom":7,"lbl:latitude":40.096193,"qs:adm0_a3":"TUR","ne:diss_me":"2263","label:tur_x_preferred_placetype":["il"],"name:bel_x_preferred":["Правінцыя Біледжык"],"geom:area":0.441946,"label:eng_x_preferred_placetype":["province"],"name:bre_x_preferred":["Bilecik"],"name:kor_x_preferred":["빌레지크 주"],"statoids:iso":"11","statoids:capital":"Bilecik","ne:wikipedia":"","eurostat:nuts_2021_id":"TR413","counts:names_preferred":94,"geom:area_square_m":4.179829098968244E9,"counts:names_variant":11,"ne:gns_lang":"tur","name:bar_x_preferred":["Bilecik"],"name:nld_x_preferred":["Bilecik"],"ne:name_len":7,"wof:placetype_id":102312311,"qs:scale":4000000,"qs:level":"adm1","label:tur_x_preferred_longname":["Bilecik ili"],"ne:adm0_a3":"TUR","label:eng_x_preferred_longname":["Bilecik Province"],"ne:name":"Bilecik","name:sco_x_preferred":["Bilecik Province"],"name:ita_x_preferred":["Provincia di Bilecik"],"ne:check_me":"20","ne:gns_level":"1","mz:max_zoom":11,"ne:longitude":"30.20020000000","mz:is_deprecated":0,"ne:fips_alt":"","name:tgk_x_preferred":["Вилояти Билечик"],"qs:type":"Province","wof:subdivision":"TR-11","geom:longitude":30.101949,"name:ces_x_variant":["Biledžik"],"wof:id":85679227,"name:tel_x_preferred":["బిలెసిక్ ప్రావిన్స్"],"statoids:country":"TR","name:frr_x_preferred":["Bilecik"],"meso:name_local":"Bilecik","unlc:subdivision":"TR-11","name:eng_x_variant":["Bilecik Province"],"name:gla_x_preferred":["Mòr-roinn Bilecik"],"name:ace_x_preferred":["Propinsi Bilecik"],"name:bul_x_preferred":["Биледжик"],"name:tur_x_preferred":["Bilecik"],"mps:longitude":30.067316,"qs:a1_lc":"TUR-2263","name:sin_x_preferred":["බිලෙසික් පළාත"],"name:glg_x_preferred":["Provincia de Bilecik"],"wof:parent_id":85632393,"mz:hierarchy_label":1,"ne:name_local":"","name:epo_x_preferred":["Provinco Bilecik"],"name:uzb_x_preferred":["Bilecik"],"name:heb_x_preferred":["בילג'יק"],"name:jpn_x_preferred":["ビレジク県"],"name:kor_x_variant":["빌레지크주"],"geom:latitude":40.104126,"name:arc_x_preferred":["ܒܝܠܓܝܟ"],"wof:name":"Bilecik","name:ceb_x_preferred":["Bilecik"],"name:kaz_x_preferred":["Билежик"],"statoids:as_of_date":"2007-12-31","wof:lang_x_spoken":["tur"],"name:tha_x_preferred":["จังหวัดบิเลชิก"],"ne:gn_level":"1","wof:placetype_local":"province","name:ara_x_preferred":["بيله جك"],"name:kat_x_preferred":["ბილეჯიქის პროვინცია"],"name:azb_x_preferred":["بیله جیک"],"name:nno_x_preferred":["Provinsen Bilecik"],"ne:gu_a3":"TUR","name:aze_x_preferred":["Biləcik ili"],"name:hun_x_preferred":["Bilecik"],"name:kin_x_preferred":["Intara ya Bilecik"],"name:swa_x_preferred":["Mkoa wa Bilecik"],"counts:concordances_total":11,"ne:adm1_cod_1":"TUR-2263","ne:scalerank":"6","name:ces_x_preferred":["Bilecikská provincie"],"wof:lastmodified":1695885322,"ne:hasc_maybe":"","name:snd_x_preferred":["بليسڪ صوبو"],"wof:belongsto":[102191569,85632393],"name:rus_x_preferred":["Биледжик"],"name:ind_x_preferred":["Provinsi Bilecik"],"wof:country":"TR","ne:mapcolor9":8,"name:nob_x_preferred":["Bilecik"],"name:swe_x_preferred":["Bilecik"],"iso:country":"TR","geom:bbox":"29.705817,39.653751,30.651228,40.517325","ne:postal":"BC","name:kan_x_preferred":["ಬಿಲೆಸಿಕ್ ಪ್ರಾಂತ್ಯ"],"src:lbl_centroid":"mapshaper","name:fra_x_preferred":["Bilecik"],"name:fas_x_preferred":["استان بیلهجک"],"name:und_x_variant":["Ertuğrul"],"eurostat:level_code":"3","ne:fips":"TU11","src:population":"eurostat","ne:abbrev":"","wof:placetype":"region","name:zho_x_preferred":["比莱吉克省"],"eurostat:name_local":"Bilecik","name:xmf_x_preferred":["ბილეჯიქიშ პროვინცია"],"wof:population":218717,"statoids:timezone":"+2~","name:aze_x_variant":["Biləcik vilayəti"],"name:guj_x_preferred":["બિલેસિક પ્રાંત"],"ne:woe_name":"Bilecik","qs:source":"Natural Earth","name:wuu_x_preferred":["比莱吉克省"],"wof:concordances":{"eurostat:nuts_2021_id":"TR413","fips:code":"TU11","gn:id":321122,"gp:id":2347268,"hasc:id":"TR.BC","iso:code":"TR-11","iso:id":"TR-11","qs_pg:id":111302,"unlc:id":"TR-11","wd:id":"Q46763","wk:page":"Bilecik Province"},"name:lat_x_preferred":["Bilecik"],"name:lav_x_preferred":["Biledžikas ils"],"name:lrc_x_preferred":["آستوٙن بیلە جأک"],"name:fin_x_preferred":["Bilecikin maakunta"],"wof:tags":[],"name:urd_x_preferred":["صوبہ بیلیجک"],"wof:lang_x_official":["tur"],"ne:gn_name":"Bilecik","ne:note":"","name:deu_x_preferred":["Bilecik"],"gn:population":208888,"name:slv_x_preferred":["Bilecik"],"mz:is_current":1,"name:lit_x_preferred":["Biledžiko provincija"],"name:vie_x_preferred":["Bilecik"],"eurostat:population":218717,"lbl:min_zoom":8,"name:por_x_preferred":["Bilecik"],"name:sqi_x_variant":["Bilecik"],"name:tha_x_variant":["จังหวัดบีเลจิค"],"eurostat:nuts_2021_level_1":"TR4","ne:iso_3166_2":"TR-","eurostat:nuts_2021_level_2":"TR41","eurostat:nuts_2021_level_3":"TR413","ne:area_sqkm":"0.00000000000","eurostat:coast_type":"3","ne:gn_id":"321122","eurostat:nuts_2021_level_0":"TR","ne:gns_id":"-739400","name:ron_x_preferred":["Provincia Bilecik"],"name:tam_x_preferred":["பிளேஸிக் மாகாணம்"],"wof:shortcode":"BC","name:sqi_x_preferred":["Provinca Bilexhik"],"name:sme_x_preferred":["Bilecik eanangoddi"],"ne:type_en":"Province","statoids:type":"province","name:ukr_x_preferred":["Біледжик"],"ne:type":"Il","name:spa_x_preferred":["Provincia de Bilecik"],"ne:provnum_ne":"20071","name:eng_x_preferred":["Bilecik"],"ne:region":"","wof:superseded_by":[],"name:tuk_x_preferred":["Bilejik"],"ne:region_cod":"","ne:gns_region":"","statoids:population":"203777","name:tgl_x_preferred":["Lalawigan ng Bilecik"],"ne:adm0_label":"2","ne:admin":"Turkey","ne:gn_a1_code":"TR.11","name:uig_x_preferred":["بىلەجىك ۋىلايىتى"],"statoids:gec":"TU11","name:kur_x_preferred":["Bilecik"],"src:geom":"quattroshapes","counts:names_languages":95,"ne:woe_id":2347268,"ne:gns_adm1":"TU11","ne:sameascity":"7","statoids:hasc":"TR.BC","name:ckb_x_preferred":["پارێزگای بیلەجیک"],"name:cym_x_preferred":["Talaith Bilecik"],"wof:placetype_names":["region"],"name:msa_x_preferred":["Wilayah Bilecik"]}