How many subdivisions does New Zealand have?

New Zealand has 19 subdivisions defined in ISO 3166-2:NZ, including 2 islands, 11 regional councils, 1 special island authoritys, 5 unitary authoritys.

What is the ISO 3166-2 code format for New Zealand?

New Zealand subdivision codes follow the format NZ-XX, where NZ is the country's alpha-2 code and XX is the subdivision identifier. For example, NZ-AUK represents Auckland.

How to get New Zealand subdivisions in JavaScript?

Install @koshmoney/countries via npm, then use subdivision.getByCountry('NZ') to get all 19 subdivisions, or import directly from '@koshmoney/countries/subdivision/NZ' for tree-shaking.

🇳🇿New Zealand Subdivisions

All 19 New Zealand subdivisions with ISO 3166-2:NZ codes - Oceania / Australia and New Zealand

Total

19 subdivisions

Types

Island, Regional council, Special island authority, Unitary authority

ISO Standard

ISO 3166-2:NZ

Code Example

import { subdivision } from '@koshmoney/countries';

// Get all New Zealand subdivisions
const subs = subdivision.getByCountry('NZ');
// => 19 subdivisions

// Look up a specific subdivision
subdivision.get('NZ-AUK');
// => { code: 'NZ-AUK', name: 'Auckland', type: 'Unitary authority' }

// Validate a subdivision code
subdivision.isValidCode('NZ-AUK');  // true
subdivision.isValidRegion('NZ', 'AUK');  // true

Tree-Shaking Tip

Import only New Zealand subdivisions to minimize bundle size:

// Import only New Zealand subdivisions for smaller bundles
import { subdivisions } from '@koshmoney/countries/subdivision/NZ';

Object.entries(subdivisions);
// => 19 entries

All New Zealand Subdivisions

Islands (2)

Code	Name
NZ-N	North Island
NZ-S	South Island

Regional councils (11)

Code	Name
NZ-BOP	Bay of Plenty
NZ-CAN	Canterbury
NZ-HKB	Hawke's Bay
NZ-MWT	Manawatu-Wanganui
NZ-NTL	Northland
NZ-OTA	Otago
NZ-STL	Southland
NZ-TKI	Taranaki
NZ-WGN	Wellington
NZ-WKO	Waikato
NZ-WTC	West Coast

Special island authoritys (1)

Code	Name
NZ-CIT	Chatham Islands Territory

Unitary authoritys (5)

Code	Name
NZ-AUK	Auckland
NZ-GIS	Gisborne District
NZ-MBH	Marlborough District
NZ-NSN	Nelson City
NZ-TAS	Tasman District

FAQ

How many subdivisions does New Zealand have?: New Zealand has 19 subdivisions defined in ISO 3166-2:NZ, including 2 islands, 11 regional councils, 1 special island authoritys, 5 unitary authoritys.
What is the ISO 3166-2 code format for New Zealand?: New Zealand subdivision codes follow the format NZ-XX, where NZ is the country's alpha-2 code and XX is the subdivision identifier. For example, NZ-AUK represents Auckland.
How to get New Zealand subdivisions in JavaScript?: Install @koshmoney/countries via npm, then use subdivision.getByCountry('NZ') to get all 19 subdivisions.

View New Zealand country page →Country code converter →

Use New Zealand subdivision data in your project

Get all 19 New Zealand subdivisions with ISO 3166-2 codes, plus countries, currencies, postal codes, and more.

npm install @koshmoney/countries