ISO 3166-2:GB is the entry for the United Kingdom of Great Britain and Northern Ireland (GBNI) in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal divisions and subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. The codes and structures for the United Kingdom (UK) are provided to the ISO in Geneva by the British Standards (BS) and the Office for National Statistics (ONS).
Primary divisions Currently for the United Kingdom of Great Britain and Northern Ireland, ISO 3166-2 codes are defined for the following primary divisions and subdivisions: Three countries and one province, as follows: England 25 two-tier counties, 36 metropolitan districts, 58 unitary authorities, 32 London boroughs, and one city corporation the standard has codes for the divisions in place until 31 March 2023. On 1 April 2023, the non-metropolitan county of Cumbria was abolished and replaced by two unitary authorities (Cumberland and Westmorland and Furness), as well as the non-metropolitan counties of North Yorkshire and Somerset became unitary authorities, which are not reflected in ISO 3166-2. Northern Ireland 11 districts Scotland 32 council areas Wales 22 unitary authorities
Each ISO 3166-2:GB code consists of two parts; both parts are in upper-case capital letters, and are separated by a hyphen (without spaces). The first part for the is , the ISO 3166-1 alpha-2 code of the United Kingdom of Great Britain and Northern Ireland. The second part is three letters, which is the British Standard three-letter code of the individual subdivision.
Though is the United Kingdom's ISO 3166-1 alpha-2 code, is exceptionally reserved for the United Kingdom on the request of the country (United Kingdom). Its main usage is the internet country code top-level domain (ccTLD) and, on 28 September 2021, replaced as the official country code on motor vehicle registration plates.
Current codes Subdivision names are listed as in the ISO 3166-2 standard, as published by the ISO 3166 Maintenance Agency (ISO 3166/MA).
gives alternative name forms in Welsh () for some of the Welsh unitary authorities (together with alternative code elements). Since this part of ISO 3166 does not allow for duplicate coding of identical subdivisions, such alternative names in Welsh and code elements are shown for information purposes only in square brackets after the English name of the subdivision.
Countries and province codesubdivision name (en-gb)subdivision typeEnglandcountryNorthern IrelandprovinceScotlandcountryWales [Cymru ]country Wales was changed from being described as a 'principality' to being described as a 'country' in the December 2011 update to the standard. England and Scotland were maintained as 'country', and Northern Ireland was maintained as 'province'.
Included for completeness codenameEngland and WalesGreat BritainUnited Kingdom
The codes , , and are only mentioned in remark part 2 in the ISO website, where they are 'included for completeness'.
Second-level subdivisions codesubdivision name (en-gb)subdivisioncategoryparentdivisionCambridgeshiretwo-tier countyCumbriatwo-tier countyDerbyshiretwo-tier countyDevontwo-tier countyDorsettwo-tier countyEast Sussextwo-tier countyEssextwo-tier countyGloucestershiretwo-tier countyHampshiretwo-tier countyHertfordshiretwo-tier countyKenttwo-tier countyLancashiretwo-tier countyLeicestershiretwo-tier countyLincolnshiretwo-tier countyNorfolktwo-tier countyNorth Yorkshiretwo-tier countyNottinghamshiretwo-tier countyOxfordshiretwo-tier countySomersettwo-tier countyStaffordshiretwo-tier countySuffolktwo-tier countySurreytwo-tier countyWarwickshiretwo-tier countyWest Sussextwo-tier countyWorcestershiretwo-tier countyLondon, City ofcity corporationBarking and DagenhamLondon boroughBarnetLondon boroughBexleyLondon boroughBrentLondon boroughBromleyLondon boroughCamdenLondon boroughCroydonLondon boroughEalingLondon boroughEnfieldLondon boroughGreenwichLondon boroughHackneyLondon boroughHammersmith and FulhamLondon boroughHaringeyLondon boroughHarrowLondon boroughHaveringLondon boroughHillingdonLondon boroughHounslowLondon boroughIslingtonLondon boroughKensington and ChelseaLondon boroughKingston upon ThamesLondon boroughLambethLondon boroughLewishamLondon boroughMertonLondon boroughNewhamLondon boroughRedbridgeLondon boroughRichmond upon ThamesLondon boroughSouthwarkLondon boroughSuttonLondon boroughTower HamletsLondon boroughWaltham ForestLondon boroughWandsworthLondon boroughWestminsterLondon boroughBarnsleymetropolitan districtBirminghammetropolitan districtBoltonmetropolitan districtBradfordmetropolitan districtBurymetropolitan districtCalderdalemetropolitan districtCoventrymetropolitan districtDoncastermetropolitan districtDudleymetropolitan districtGatesheadmetropolitan districtKirkleesmetropolitan districtKnowsleymetropolitan districtLeedsmetropolitan districtLiverpoolmetropolitan districtManchestermetropolitan districtNewcastle upon Tynemetropolitan districtNorth Tynesidemetropolitan districtOldhammetropolitan districtRochdalemetropolitan districtRotherhammetropolitan districtmetropolitan districtSalfordmetropolitan districtSandwellmetropolitan districtSeftonmetropolitan districtSheffieldmetropolitan districtSolihullmetropolitan districtSouth Tynesidemetropolitan districtStockportmetropolitan districtSunderlandmetropolitan districtTamesidemetropolitan districtTraffordmetropolitan districtWakefieldmetropolitan districtWalsallmetropolitan districtWiganmetropolitan districtWirralmetropolitan districtWolverhamptonmetropolitan districtBath and North East Somersetunitary authorityBedfordunitary authorityBlackburn with Darwenunitary authorityBlackpoolunitary authorityBournemouth, Christchurch and Pooleunitary authorityBracknell Forestunitary authorityBrighton and Hoveunitary authorityBristol, City ofunitary authorityBuckinghamshireunitary authorityCentral Bedfordshireunitary authorityCheshire Eastunitary authorityCheshire West and Chesterunitary authorityCornwallunitary authorityDarlingtonunitary authorityDerbyunitary authorityDurham, Countyunitary authorityEast Riding of Yorkshireunitary authorityHaltonunitary authorityHartlepoolunitary authorityHerefordshireunitary authorityIsle of Wightunitary authorityIsles of Scillyunitary authorityKingston upon Hullunitary authorityLeicesterunitary authorityLutonunitary authorityMedwayunitary authorityMiddlesbroughunitary authorityMilton Keynesunitary authorityNorth East Lincolnshireunitary authorityNorth Lincolnshireunitary authorityNorth Northamptonshireunitary authorityNorth Somersetunitary authorityNorthumberlandunitary authorityNottinghamunitary authorityPeterboroughunitary authorityPlymouthunitary authorityPortsmouthunitary authorityReadingunitary authorityRedcar and Clevelandunitary authorityRutlandunitary authorityShropshireunitary authoritySloughunitary authoritySouth Gloucestershireunitary authoritySouthamptonunitary authoritySouthend-on-Seaunitary authorityStockton-on-Teesunitary authorityStoke-on-Trentunitary authoritySwindonunitary authorityTelford and Wrekinunitary authorityThurrockunitary authorityTorbayunitary authorityWarringtonunitary authorityWest Berkshireunitary authorityWest Northamptonshireunitary authorityWiltshireunitary authorityWindsor and Maidenheadunitary authorityWokinghamunitary authorityYorkunitary authorityAntrim and NewtownabbeydistrictArds and North DowndistrictArmagh City, Banbridge and CraigavondistrictBelfast CitydistrictCauseway Coast and GlensdistrictDerry and StrabanedistrictFermanagh and OmaghdistrictLisburn and CastlereaghdistrictMid and East AntrimdistrictMid-UlsterdistrictNewry, Mourne and DowndistrictAberdeen Citycouncil areaAberdeenshirecouncil areaAnguscouncil areaArgyll and Butecouncil areaClackmannanshirecouncil areaDumfries and Gallowaycouncil areaDundee Citycouncil areaEast Ayrshirecouncil areaEast Dunbartonshirecouncil areaEast Lothiancouncil areaEast Renfrewshirecouncil areaEdinburgh, City ofcouncil areaEilean Siarcouncil areaFalkirkcouncil areaFifecouncil areaGlasgow Citycouncil areaHighlandcouncil areaInverclydecouncil areaMidlothiancouncil areaMoraycouncil areaNorth Ayrshirecouncil areaNorth Lanarkshirecouncil areaOrkney Islandscouncil areaPerth and Kinrosscouncil areaRenfrewshirecouncil areaScottish Borderscouncil areaShetland Islandscouncil areaSouth Ayrshirecouncil areaSouth Lanarkshirecouncil areaStirlingcouncil areaWest Dunbartonshirecouncil areaWest Lothiancouncil areaBlaenau Gwentunitary authorityBridgend [Pen-y-bont ar Ogwr GB-POG]unitary authorityCaerphilly [Caerffili GB-CAF]unitary authorityCardiff [Caerdydd GB-CRD]unitary authorityCarmarthenshire [Sir Gaerfyrddin GB-GFY]unitary authorityCeredigion [Sir Ceredigion]unitary authorityConwyunitary authorityDenbighshire [Sir Ddinbych GB-DDB]unitary authorityFlintshire [Sir y Fflint GB-FFL]unitary authorityGwyneddunitary authorityIsle of Anglesey [Sir Ynys Môn GB-YNM]unitary authorityMerthyr Tydfil [Merthyr Tudful GB-MTU]unitary authorityMonmouthshire [Sir Fynwy GB-FYN]unitary authorityNeath Port Talbot [Castell-nedd Port Talbot GB-CTL]unitary authorityNewport [Casnewydd GB-CNW]unitary authorityPembrokeshire [Sir Benfro GB-BNF]unitary authorityPowysunitary authorityRhondda Cynon Taff [Rhondda CynonTaf]unitary authoritySwansea [Abertawe GB-ATA]unitary authorityTorfaen [Tor-faen]unitary authorityVale of Glamorgan, The [Bro Morgannwg GB-BMG]unitary authorityWrexham [Wrecsam GB-WRC]unitary authority
The British Overseas Territories of Anguilla, Bermuda, the British Indian Ocean Territory, the British Virgin Islands, the Cayman Islands, the Falkland Islands, Gibraltar, Montserrat, the Pitcairn Islands, Saint Helena, Ascension and Tristan da Cunha, South Georgia and the South Sandwich Islands and the Turks and Caicos Islands (and the Crown Dependencies of Guernsey, the Isle of Man and Jersey as of 2006) have their own ISO 3166-1 codes and are not included in the United Kingdom's entry in ISO 3166-2. There are no ISO 3166-2 codes for: Akrotiri and Dhekelia British Antarctic Territory (part of Antarctica with country code AQ)
Changes The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998. ISO stopped issuing newsletters in 2013. newsletterdate issueddescription of change in newslettercode / subdivision changeVarious corrections of name forms, i.e., deletion of name adjunctsModification of the administrative structureSubdivisions deleted: – Channel Islands – Isle of Man (see ) – Guernsey (see ) – Jersey (see )Modification of administrative structureUpdate and reorganisation of the subdivision data,update of the list sourceSubdivisions added: – Bedford – Central Bedfordshire – Cheshire East – Cheshire West and ChesterSubdivisions deleted: – Bedfordshire – Cheshire – Isles of Scilly(corrected)NL II-2 correction for administrative name changesStatus change: – Wales principality → country
The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform: