ISO 3166-2:NZ is the entry for New Zealand 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 subdivisions (e.g., provinces or states) of all countries coded in ISO 3166.
Currently for New Zealand, ISO 3166-2 codes are defined for 16 regions and 1 special island authority
Some New Zealand outlying islands that are outside the authority of any regions are not assigned codes, specifically:
Each code consists of two parts, separated by a hyphen. The first part is NZ, the ISO 3166-1 alpha-2 code of New Zealand. The second part is three letters: regions and special island authority.
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).
ISO 639-1 codes are used to represent subdivision names in the following administrative languages:
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| Code | Subdivision name (en) | Subdivision name (mi) | Subdivision category |
|---|---|---|---|
| NZ-AUK | Auckland | Tāmaki-Makaurau | region |
| NZ-BOP | Bay of Plenty | Toi Moana | region |
| NZ-CAN | Canterbury | Waitaha | region |
| NZ-CIT | Chatham Islands Territory | Wharekauri | special island authority |
| NZ-GIS | Gisborne | Te Tairāwhiti | region |
| NZ-WGN | Greater Wellington | Te Pane Matua Taiao | region |
| NZ-HKB | Hawke's Bay | Te Matau-a-Māui | region |
| NZ-MWT | Manawatū-Whanganui | Manawatū Whanganui | region |
| NZ-MBH | Marlborough | region | |
| NZ-NSN | Nelson | Whakatū | region |
| NZ-NTL | Northland | Te Tai tokerau | region |
| NZ-OTA | Otago | Ō Tākou | region |
| NZ-STL | Southland | Te Taiao Tonga | region |
| NZ-TKI | Taranaki | Taranaki | region |
| NZ-TAS | Tasman | Te tai o Aorere | region |
| NZ-WKO | Waikato | Waikato | region |
| NZ-WTC | West Coast | Te Tai o Poutini | region |
The following changes to the entry have been announced 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 II-2 | 2010-06-30 | Addition of the country code prefix as the first code element, addition of names in administrative languages, update of the administrative structure and of the list source | Subdivisions added: NZ-CIT Chatham Islands Territory |
| Online Browsing Platform (OBP) |
2014-11-03 | Change subdivision category of NZ-AUK | (TBD) |
| 2015-11-27 | Deletion of all unitary authorities; deletion of islands NZ-N, NZ-S; Change of subdivision name of NZ-GIS, NZ-MBH, NZ-NSN, NZ-TAS, change of subdivision category from regional council to region; update List Source | (TBD) | |
| 2022-11-29 | Change of subdivision name of NZ-AUK, NZ-BOP, NZ-STL, NZ-GIS, NZ-HKB, NZ-NTL, NZ-WTC in mri; Change of subdivision name of NZ-WGN, NZ-MWT in eng and mri; Addition of subdivision name for NZ-WKO in eng; Addition of subdivision name for NZ-TAS in mri; Update List Source | (TBD) | |
| 2023-11-23 | Deletion of the space before the dash of NZ-AUK in mri | Subdivision changed: NZ-AUK |