GB

Short description: Entry for the United Kingdom in ISO 3166-2

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.[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).

## Contents

* 1 Primary divisions
* 2 Current codes
* 2.1 Countries and province
* 2.2 Included for completeness
* 2.3 Second-level subdivisions
* 3 Changes
* 4 See also
* 5 References
* 6 External links

## 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

As of August 2025,[update] 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 as of August 2025[update] 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 GB, 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 BS 6879 three-letter code of the individual subdivision.

Though GB is the United Kingdom's ISO 3166-1 alpha-2 code, UK is exceptionally reserved for the United Kingdom on the request of the country (United Kingdom). Its main usage is the .uk internet country code top-level domain (ccTLD) and, on 28 September 2021, UK replaced GB as the official country code on motor vehicle registration plates.[2]

## Current codes

Subdivision names are listed as in the ISO 3166-2 standard, as published by the ISO 3166 Maintenance Agency (ISO 3166/MA).

BS 6879 gives alternative name forms in Welsh (cy) 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.[1]

### Countries and province

code | subdivision name (en-gb) | subdivision type

|
|

GB-ENG | England | country
GB-NIR | Northern Ireland | province
GB-SCT | Scotland | country
GB-WLS | Wales [Cymru GB-CYM] | 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'.[3]

### Included for completeness

code | name | reason

|
|

GB-EAW | England and Wales | legislative
GB-GBN | Great Britain | geographic land mass
GB-UKM | United Kingdom | entire entity

The codes GB-EAW, GB-GBN, and GB-UKM are only mentioned in remark part 2 in the ISO website, where they are 'included for completeness'.[1]

### Second-level subdivisions

code | subdivision name (en-gb) | subdivision
category | parent
division

|
|
|

GB-CAM | Cambridgeshire | two-tier county | ENG
GB-CMA | Cumbria | two-tier county | ENG
GB-DBY | Derbyshire | two-tier county | ENG
GB-DEV | Devon | two-tier county | ENG
GB-DOR | Dorset | two-tier county | ENG
GB-ESX | East Sussex | two-tier county | ENG
GB-ESS | Essex | two-tier county | ENG
GB-GLS | Gloucestershire | two-tier county | ENG
GB-HAM | Hampshire | two-tier county | ENG
GB-HRT | Hertfordshire | two-tier county | ENG
GB-KEN | Kent | two-tier county | ENG
GB-LAN | Lancashire | two-tier county | ENG
GB-LEC | Leicestershire | two-tier county | ENG
GB-LIN | Lincolnshire | two-tier county | ENG
GB-NFK | Norfolk | two-tier county | ENG
GB-NYK | North Yorkshire | two-tier county | ENG
GB-NTT | Nottinghamshire | two-tier county | ENG
GB-OXF | Oxfordshire | two-tier county | ENG
GB-SOM | Somerset | two-tier county | ENG
GB-STS | Staffordshire | two-tier county | ENG
GB-SFK | Suffolk | two-tier county | ENG
GB-SRY | Surrey | two-tier county | ENG
GB-WAR | Warwickshire | two-tier county | ENG
GB-WSX | West Sussex | two-tier county | ENG
GB-WOR | Worcestershire | two-tier county | ENG
GB-LND | London, City of | city corporation | ENG
GB-BDG | Barking and Dagenham | London borough | ENG
GB-BNE | Barnet | London borough | ENG
GB-BEX | Bexley | London borough | ENG
GB-BEN | Brent | London borough | ENG
GB-BRY | Bromley | London borough | ENG
GB-CMD | Camden | London borough | ENG
GB-CRY | Croydon | London borough | ENG
GB-EAL | Ealing | London borough | ENG
GB-ENF | Enfield | London borough | ENG
GB-GRE | Greenwich | London borough | ENG
GB-HCK | Hackney | London borough | ENG
GB-HMF | Hammersmith and Fulham | London borough | ENG
GB-HRY | Haringey | London borough | ENG
GB-HRW | Harrow | London borough | ENG
GB-HAV | Havering | London borough | ENG
GB-HIL | Hillingdon | London borough | ENG
GB-HNS | Hounslow | London borough | ENG
GB-ISL | Islington | London borough | ENG
GB-KEC | Kensington and Chelsea | London borough | ENG
GB-KTT | Kingston upon Thames | London borough | ENG
GB-LBH | Lambeth | London borough | ENG
GB-LEW | Lewisham | London borough | ENG
GB-MRT | Merton | London borough | ENG
GB-NWM | Newham | London borough | ENG
GB-RDB | Redbridge | London borough | ENG
GB-RIC | Richmond upon Thames | London borough | ENG
GB-SWK | Southwark | London borough | ENG
GB-STN | Sutton | London borough | ENG
GB-TWH | Tower Hamlets | London borough | ENG
GB-WFT | Waltham Forest | London borough | ENG
GB-WND | Wandsworth | London borough | ENG
GB-WSM | Westminster | London borough | ENG
GB-BNS | Barnsley | metropolitan district | ENG
GB-BIR | Birmingham | metropolitan district | ENG
GB-BOL | Bolton | metropolitan district | ENG
GB-BRD | Bradford | metropolitan district | ENG
GB-BUR | Bury | metropolitan district | ENG
GB-CLD | Calderdale | metropolitan district | ENG
GB-COV | Coventry | metropolitan district | ENG
GB-DNC | Doncaster | metropolitan district | ENG
GB-DUD | Dudley | metropolitan district | ENG
GB-GAT | Gateshead | metropolitan district | ENG
GB-KIR | Kirklees | metropolitan district | ENG
GB-KWL | Knowsley | metropolitan district | ENG
GB-LDS | Leeds | metropolitan district | ENG
GB-LIV | Liverpool | metropolitan district | ENG
GB-MAN | Manchester | metropolitan district | ENG
GB-NET | Newcastle upon Tyne | metropolitan district | ENG
GB-NTY | North Tyneside | metropolitan district | ENG
GB-OLD | Oldham | metropolitan district | ENG
GB-RCH | Rochdale | metropolitan district | ENG
GB-ROT | Rotherham | metropolitan district | ENG
GB-SHN | Saint Helens St. Helens  | metropolitan district | ENG
GB-SLF | Salford | metropolitan district | ENG
GB-SAW | Sandwell | metropolitan district | ENG
GB-SFT | Sefton | metropolitan district | ENG
GB-SHF | Sheffield | metropolitan district | ENG
GB-SOL | Solihull | metropolitan district | ENG
GB-STY | South Tyneside | metropolitan district | ENG
GB-SKP | Stockport | metropolitan district | ENG
GB-SND | Sunderland | metropolitan district | ENG
GB-TAM | Tameside | metropolitan district | ENG
GB-TRF | Trafford | metropolitan district | ENG
GB-WKF | Wakefield | metropolitan district | ENG
GB-WLL | Walsall | metropolitan district | ENG
GB-WGN | Wigan | metropolitan district | ENG
GB-WRL | Wirral | metropolitan district | ENG
GB-WLV | Wolverhampton | metropolitan district | ENG
GB-BAS | Bath and North East Somerset | unitary authority | ENG
GB-BDF | Bedford | unitary authority | ENG
GB-BBD | Blackburn with Darwen | unitary authority | ENG
GB-BPL | Blackpool | unitary authority | ENG
GB-BCP | Bournemouth, Christchurch and Poole | unitary authority | ENG
GB-BRC | Bracknell Forest | unitary authority | ENG
GB-BNH | Brighton and Hove | unitary authority | ENG
GB-BST | Bristol, City of | unitary authority | ENG
GB-BKM | Buckinghamshire | unitary authority | ENG
GB-CBF | Central Bedfordshire | unitary authority | ENG
GB-CHE | Cheshire East | unitary authority | ENG
GB-CHW | Cheshire West and Chester | unitary authority | ENG
GB-CON | Cornwall | unitary authority | ENG
GB-DAL | Darlington | unitary authority | ENG
GB-DER | Derby | unitary authority | ENG
GB-DUR | Durham, County | unitary authority | ENG
GB-ERY | East Riding of Yorkshire | unitary authority | ENG
GB-HAL | Halton | unitary authority | ENG
GB-HPL | Hartlepool | unitary authority | ENG
GB-HEF | Herefordshire | unitary authority | ENG
GB-IOW | Isle of Wight | unitary authority | ENG
GB-IOS | Isles of Scilly | unitary authority | ENG
GB-KHL | Kingston upon Hull | unitary authority | ENG
GB-LCE | Leicester | unitary authority | ENG
GB-LUT | Luton | unitary authority | ENG
GB-MDW | Medway | unitary authority | ENG
GB-MDB | Middlesbrough | unitary authority | ENG
GB-MIK | Milton Keynes | unitary authority | ENG
GB-NEL | North East Lincolnshire | unitary authority | ENG
GB-NLN | North Lincolnshire | unitary authority | ENG
GB-NNH | North Northamptonshire | unitary authority | ENG
GB-NSM | North Somerset | unitary authority | ENG
GB-NBL | Northumberland | unitary authority | ENG
GB-NGM | Nottingham | unitary authority | ENG
GB-PTE | Peterborough | unitary authority | ENG
GB-PLY | Plymouth | unitary authority | ENG
GB-POR | Portsmouth | unitary authority | ENG
GB-RDG | Reading | unitary authority | ENG
GB-RCC | Redcar and Cleveland | unitary authority | ENG
GB-RUT | Rutland | unitary authority | ENG
GB-SHR | Shropshire | unitary authority | ENG
GB-SLG | Slough | unitary authority | ENG
GB-SGC | South Gloucestershire | unitary authority | ENG
GB-STH | Southampton | unitary authority | ENG
GB-SOS | Southend-on-Sea | unitary authority | ENG
GB-STT | Stockton-on-Tees | unitary authority | ENG
GB-STE | Stoke-on-Trent | unitary authority | ENG
GB-SWD | Swindon | unitary authority | ENG
GB-TFW | Telford and Wrekin | unitary authority | ENG
GB-THR | Thurrock | unitary authority | ENG
GB-TOB | Torbay | unitary authority | ENG
GB-WRT | Warrington | unitary authority | ENG
GB-WBK | West Berkshire | unitary authority | ENG
GB-WNH | West Northamptonshire | unitary authority | ENG
GB-WIL | Wiltshire | unitary authority | ENG
GB-WNM | Windsor and Maidenhead | unitary authority | ENG
GB-WOK | Wokingham | unitary authority | ENG
GB-YOR | York | unitary authority | ENG
GB-ANN | Antrim and Newtownabbey | district | NIR
GB-AND | Ards and North Down | district | NIR
GB-ABC | Armagh City, Banbridge and Craigavon | district | NIR
GB-BFS | Belfast City | district | NIR
GB-CCG | Causeway Coast and Glens | district | NIR
GB-DRS | Derry and Strabane | district | NIR
GB-FMO | Fermanagh and Omagh | district | NIR
GB-LBC | Lisburn and Castlereagh | district | NIR
GB-MEA | Mid and East Antrim | district | NIR
GB-MUL | Mid-Ulster | district | NIR
GB-NMD | Newry, Mourne and Down | district | NIR
GB-ABE | Aberdeen City | council area | SCT
GB-ABD | Aberdeenshire | council area | SCT
GB-ANS | Angus | council area | SCT
GB-AGB | Argyll and Bute | council area | SCT
GB-CLK | Clackmannanshire | council area | SCT
GB-DGY | Dumfries and Galloway | council area | SCT
GB-DND | Dundee City | council area | SCT
GB-EAY | East Ayrshire | council area | SCT
GB-EDU | East Dunbartonshire | council area | SCT
GB-ELN | East Lothian | council area | SCT
GB-ERW | East Renfrewshire | council area | SCT
GB-EDH | Edinburgh, City of | council area | SCT
GB-ELS | Eilean Siar | council area | SCT
GB-FAL | Falkirk | council area | SCT
GB-FIF | Fife | council area | SCT
GB-GLG | Glasgow City | council area | SCT
GB-HLD | Highland | council area | SCT
GB-IVC | Inverclyde | council area | SCT
GB-MLN | Midlothian | council area | SCT
GB-MRY | Moray | council area | SCT
GB-NAY | North Ayrshire | council area | SCT
GB-NLK | North Lanarkshire | council area | SCT
GB-ORK | Orkney Islands | council area | SCT
GB-PKN | Perth and Kinross | council area | SCT
GB-RFW | Renfrewshire | council area | SCT
GB-SCB | Scottish Borders | council area | SCT
GB-ZET | Shetland Islands | council area | SCT
GB-SAY | South Ayrshire | council area | SCT
GB-SLK | South Lanarkshire | council area | SCT
GB-STG | Stirling | council area | SCT
GB-WDU | West Dunbartonshire | council area | SCT
GB-WLN | West Lothian | council area | SCT
GB-BGW | Blaenau Gwent | unitary authority | WLS
GB-BGE | Bridgend [Pen-y-bont ar Ogwr GB-POG] | unitary authority | WLS
GB-CAY | Caerphilly [Caerffili GB-CAF] | unitary authority | WLS
GB-CRF | Cardiff [Caerdydd GB-CRD] | unitary authority | WLS
GB-CMN | Carmarthenshire [Sir Gaerfyrddin GB-GFY] | unitary authority | WLS
GB-CGN | Ceredigion [Sir Ceredigion] | unitary authority | WLS
GB-CWY | Conwy | unitary authority | WLS
GB-DEN | Denbighshire [Sir Ddinbych GB-DDB] | unitary authority | WLS
GB-FLN | Flintshire [Sir y Fflint GB-FFL] | unitary authority | WLS
GB-GWN | Gwynedd | unitary authority | WLS
GB-AGY | Isle of Anglesey [Sir Ynys Môn GB-YNM] | unitary authority | WLS
GB-MTY | Merthyr Tydfil [Merthyr Tudful GB-MTU] | unitary authority | WLS
GB-MON | Monmouthshire [Sir Fynwy GB-FYN] | unitary authority | WLS
GB-NTL | Neath Port Talbot [Castell-nedd Port Talbot GB-CTL] | unitary authority | WLS
GB-NWP | Newport [Casnewydd GB-CNW] | unitary authority | WLS
GB-PEM | Pembrokeshire [Sir Benfro GB-BNF] | unitary authority | WLS
GB-POW | Powys | unitary authority | WLS
GB-RCT | Rhondda Cynon Taff [Rhondda CynonTaf] | unitary authority | WLS
GB-SWA | Swansea [Abertawe GB-ATA] | unitary authority | WLS
GB-TOF | Torfaen [Tor-faen] | unitary authority | WLS
GB-VGL | Vale of Glamorgan, The [Bro Morgannwg GB-BMG] | unitary authority | WLS
GB-WRX | Wrexham [Wrecsam GB-WRC] | unitary authority | WLS

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.

newsletter | date issued | description of change in newsletter | code / subdivision change

|
|
|

Newsletter I-2 | 2002-05-21 | Various corrections of name forms, i.e., deletion of name adjuncts |
Newsletter I-8 | 2007-04-17 | Modification of the administrative structure | Subdivisions deleted:
GB-CHA – Channel Islands
GB-IOM – Isle of Man (see IM)
GB-GSY – Guernsey (see GG)
GB-JSY – Jersey (see JE)
Newsletter I-9 | 2007-11-28 | Modification of administrative structure |
Newsletter II-2 | 2010-06-30 | Update and reorganisation of the subdivision data,
update of the list source | Subdivisions added:
GB-BDF – Bedford
GB-CBF – Central Bedfordshire
GB-CHE – Cheshire East
GB-CHW – Cheshire West and Chester
Subdivisions deleted:
GB-BDF – Bedfordshire
GB-CHS – Cheshire
GB-IOS – Isles of Scilly
Newsletter II-3 | 2011-12-13
(corrected
2011-12-15) | NL II-2 correction for administrative name changes | Status change:
WLS – Wales principality → country

The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:[1]

effective date of change | short description of change (en-gb)

|

2022-11-29 | Deletion of two-tier county GB-NTH; addition of unitary authorities GB-NNH, GB-WNH; change of category name from two-tier county to unitary authority for GB-BKM; update list source.
2022-03-03 | Correction of parent subdivision of GB-PEM
2021-11-25 | Addition of subdivision categories country and province in eng & fra; modification of remark part 2; addition of country GB-ENG, GB-WLS, GB-SCT; addition of province GB-NIR; addition of parent subdivisions
2020-11-24 | Deletion of GB-BMH, GB-POL; addition of GB-BCP; correction of spelling for GB-BFS, GB-DRS, GB-DUR, GB-MUL, GB-RCT, GB-SCB; modification of remark, part 2; update list source
2019-11-22 | Change of subdivision name of GB-ABC, GB-DRS; modification of remark part 2; update list source
2015-11-27 | Deletion of Northern Ireland district council areas GB-ANT, GB-ARD, GB-ARM, GB-BLA, GB-BLY, GB-BNB, GB-CKF, GB-CSR, GB-CLR, GB-CKT, GB-CGV, GB-DRY, GB-DOW, GB-DGN, GB-FER, GB-LRN, GB-LMV, GB-LSB, GB-MFT, GB-MYL, GB-NYM, GB-NTA, GB-NDN, GB-OMH, GB-STB; change of subdivision category from district council area to district GB-BFS; addition of Northern Ireland districts GB-ANN, GB-AND, GB-ABC, GB-CCG, GB-DRS, GB-FMO, GB-LBC, GB-MEA, GB-MUL, GB-NMD; update list source
2014-12-18 | Alignment of the English and French short names upper and lower case with UNTERM; update of the remarks in French
2014-10-30 | Re-add GB-IOS
2011-12-13 | NL II-2 correction for administrative name changes
2010-06-30 | Update and reorganization of the subdivision data and update of the list source

## See also

* Subdivisions of the United Kingdom
* Subdivisions of England
* Subdivisions of Northern Ireland
* Subdivisions of Scotland
* Subdivisions of Wales
* FIPS region codes of the United Kingdom
* NUTS codes of the United Kingdom
* Chapman codes
* Neighbouring countries: CY (via Akrotiri and Dhekelia), IE

## References

1. ↑ 1.0 1.1 1.2 1.3 "Standard: ISO 3166 – Codes for the representation of names of countries and their subdivisions – GB". International Organization for Standardization. https://www.iso.org/obp/ui/#iso:code:3166:GB.
2. ↑ "GB car sticker to be replaced by new 'UK' version". RAC Drive. https://www.rac.co.uk/drive/news/motoring-news/gb-car-sticker-to-be-replaced-by-new-uk-version/.
3. ↑ "Changes in the list of subdivision names and code elements". ISO 3166-2. International Organization for Standardization. 15 December 2011. http://www.iso.org/iso/iso_3166-2_newsletter_ii-3_2011-12-13.pdf.

## External links

* ISO Online Browsing Platform: GB
* Statoids.com: Divisions of the United Kingdom

* v
* t
* e

ISO 3166 – Codes for the representation of names of countries and their subdivisions

List of ISO 3166 country codes

ISO 3166-1
country codes|

* alpha-2
* alpha-3
* numeric

ISO 3166-2
country subdivision codes|

* AD
* AE
* AF
* AG
* AI
* AL
* AM
* AO
* AQ
* AR
* AS
* AT
* AU
* AW
* AX
* AZ
* BA
* BB
* BD
* BE
* BF
* BG
* BH
* BI
* BJ
* BL
* BM
* BN
* BO
* BQ
* BR
* BS
* BT
* BV
* BW
* BY
* BZ
* CA
* CC
* CD
* CF
* CG
* CH
* CI
* CK
* CL
* CM
* CN
* CO
* CR
* CU
* CV
* CW
* CX
* CY
* CZ
* DE
* DJ
* DK
* DM
* DO
* DZ
* EC
* EE
* EG
* EH
* ER
* ES
* ET
* FI
* FJ
* FK
* FM
* FO
* FR
* GA
* GB
* GD
* GE
* GF
* GG
* GH
* GI
* GL
* GM
* GN
* GP
* GQ
* GR
* GS
* GT
* GU
* GW
* GY
* HK
* HM
* HN
* HR
* HT
* HU
* ID
* IE
* IL
* IM
* IN
* IO
* IQ
* IR
* IS
* IT
* JE
* JM
* JO
* JP
* KE
* KG
* KH
* KI
* KM
* KN
* KP
* KR
* KW
* KY
* KZ
* LA
* LB
* LC
* LI
* LK
* LR
* LS
* LT
* LU
* LV
* LY
* MA
* MC
* MD
* ME
* MF
* MG
* MH
* MK
* ML
* MM
* MN
* MO
* MP
* MQ
* MR
* MS
* MT
* MU
* MV
* MW
* MX
* MY
* MZ
* NA
* NC
* NE
* NF
* NG
* NI
* NL
* NO
* NP
* NR
* NU
* NZ
* OM
* PA
* PE
* PF
* PG
* PH
* PK
* PL
* PM
* PN
* PR
* PS
* PT
* PW
* PY
* QA
* RE
* RO
* RS
* RU
* RW
* SA
* SB
* SC
* SD
* SE
* SG
* SH
* SI
* SJ
* SK
* SL
* SM
* SN
* SO
* SR
* SS
* ST
* SV
* SX
* SY
* SZ
* TC
* TD
* TF
* TG
* TH
* TJ
* TK
* TLa
* TM
* TN
* TO
* TR
* TT
* TV
* TW
* TZ
* UA
* UG
* UM
* US
* UY
* UZ
* VA
* VC
* VE
* VG
* VI
* VN
* VU
* WF
* WS
* YE
* YT
* ZA
* ZM
* ZW

Deleted|

* AN
* CSb

ISO 3166-3
codes for former names of countries|

* List

* a Changed from TP
* b Changed from YU

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