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This dataset was first added to Stats NZ Geographic Data Service on 06 Dec 2020.
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ISO 19139 Geographic Information - Metadata - Implementation Specification
This dataset is the definitive set of territorial authority boundaries for 2021 as defined by the Local Government Commission and/or the territorial authorities themselves but maintained by Stats NZ (the custodian). A territorial authority is defined under the Local Government Act 2002 as a city or a district council. There are 67 territorial authorities in New Zealand. This total reflects the amalgamation of the seven territorial authorities (Rodney District, North Shore City, Waitakere City, Auckland City, Manukau City, Papakura District, and Franklin District) into one Auckland Council in 2010.Territorial authorities are the second tier of local government in New Zealand, below regional councils. The 67 territorial authorities comprise 13 city councils including the Auckland council, 53 district councils, and the Chatham Islands Territory. Some territorial authority boundaries are coterminous with regional council boundaries but there are several exceptions. An example is Taupo District, which is split between four regions, although most of its area falls within the Waikato Region. When defining the boundaries of territorial authorities, the Local Government Commission bases considerable weight on the ‘community of interest’. Territorial authorities are defined at meshblock, statistical area 1 (SA1) and statistical area 2 (SA2) levels.The 2021 digital pattern includes the following territorial authorities: Territorial authority codeTerritorial authority name001Far North District002Whangarei District003Kaipara District011Thames-Coromandel District012Hauraki District013Waikato District015Matamata-Piako District016Hamilton City017Waipa District018Ōtorohanga District019South Waikato District020Waitomo District021Taupo District022Western Bay of Plenty District023Tauranga City024Rotorua District025Whakatane District026Kawerau District027Ōpōtiki District028Gisborne District029Wairoa District030Hastings District031Napier City032Central Hawke's Bay District033New Plymouth District034Stratford District035South Taranaki District036Ruapehu District037Whanganui District038Rangitikei District039Manawatu District040Palmerston North City041Tararua District042Horowhenua District043Kapiti Coast District044Porirua City045Upper Hutt City046Lower Hutt City047Wellington City048Masterton District049Carterton District050South Wairarapa District051Tasman District052Nelson City053Marlborough District054Kaikoura District055Buller District056Grey District057Westland District058Hurunui District059Waimakariri District060Christchurch City062Selwyn District063Ashburton District064Timaru District065Mackenzie District066Waimate District067Chatham Islands Territory068Waitaki District069Central Otago District070Queenstown-Lakes District071Dunedin City072Clutha District073Southland District074Gore District075Invercargill City076Auckland099Area Outside Territorial AuthorityThe following table describes significant changes to the territorial authority boundaries and functions:YearChanges1989New Zealand’s local government structural arrangements were significantly reformed by the Local Government Commission in 1989. Prior to reformation there were 205 territorial local authorities: 28 cities, 78 boroughs, 67 counties, 31 districts, and 1 town district, as well as a multitude of ad-hoc authorities such as pest control boards, drainage boards, catchment boards, and domain and reserve boards.These were replaced by 74 territorial local authorities, 15 of which were cities and 58 districts. The exception was Chatham Islands County which retained its county status.1990Invercargill was proclaimed a city.1992Nelson-Marlborough Regional Council was abolished by a Local Government Amendment Act. Kaikoura District was transferred to the Canterbury Region. Nelson City, and Tasman and Marlborough districts became unitary authorities. 1995The Chatham Islands County was dissolved and reconstituted by a specific Act of Parliament as the "Chatham Islands Territory", with powers similar to those of territorial authorities and some functions similar to those of a regional council. This included the addition of territorial sea, a coastal buffer extending to twelve nautical miles from the coastline.1995Tasman District boundary extended to align with the Tasman Region boundary at the 12-mile limit.1998Not Applicable category changed to Area Outside Territorial Authority2004Tauranga District changed to Tauranga City.2006Banks Peninsula District merged into Christchurch City as a result of a Local Government Commission decision following a 2005 referendum. 2010Auckland Council established under the Local Government (Tamaki Makaurau Reorganisation) Act 2009. Rodney District, North Shore City, Waitakere City, Auckland City, Manukau City, Papakura District, and Franklin District territorial councils, and the Auckland Regional Council, were abolished to become a unitary authority known as the Auckland Council. The area now consists of one city council (with statutory provision for three Maori councillors), 13 wards, and 21 local boards.2015Wanganui District Council name changed to Whanganui District Council effective 1 December 2015.2020Otorohanga District Council amended to Ōtorohanga District Council under schedule 2 of the Local Government Act 2002.Opotiki District Council amended to Ōpōtiki District Council underschedule 2 of the Local Government Act 2002.Digital boundary data became freely available on 1 July 2007.
This dataset is the definitive version of the annually released territorial authority boundaries as at 1 January 2021 as defined by territorial authorities and/or Local Government Commission, and maintained by Stats NZ (the custodian). This version contains 67 territorial authorities.
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Creative Commons Attribution 4.0 International (CC BY 4.0)
Version 6.2 (Build 9200) ; Esri ArcGIS 10.3.1.4959
File Geodatabase Feature Class
Territorial authorities are based on the meshblock pattern.
Non-alignment of meshblock and cadastral boundaries are one of a number of reasons for meshblock boundary adjustments. Other reasons include requests from local authorities, Local Government Commission, Electoral Representation Commission and to make census enumeration processes easier.
From the meshblock pattern, higher geographies, including the 2021 territorial authority pattern, were dissolved using the dissolve tool in the Arc GIS suite.
Attribution 4.0 International