This dataset is the definitive set of the annually released regional council boundaries at 1 January 2019 as defined by the regional council and/or Local Government Commission and maintained by Stats NZ. Regional council is the top tier of local government in New Zealand. Regional councils are defined at meshblock, statistical area 1 (SA1), and statistical area 2 (SA2) levels.
Digital boundary data became freely available on 1 July 2007. This generalised version has been simplified for rapid drawing and is designed for thematic or web mapping purposes.
For further information see ANZLIC Metadata 2019 Regional Council attachment below.