Fourteen councillors are elected from the following constituencies:
| Constituency | Number of members |
| Pōneke/Wellington General Constituency | 5 |
| Te Awa Kairangi ki Tai/Lower Hutt General Constituency | 3 |
| Porirua-Tawa General Constituency | 2 |
| Kāpiti Coast General Constituency | 1 |
| Te Awa Kairangi ki Uta/Upper Hutt General Constituency | 1 |
| Wairarapa General Constituency | 1 |
| Te Upoko o te Ika a Māui Māori Constituency | 1 |
The constituencies are largely based on the district areas of the councils within the Wellington Region.
The Wairarapa constituency area includes the district areas of South Wairarapa, Carterton and Masterton district councils, and includes a small part of the Tararua District Council.
The Porirua-Tawa constituency area is the Porirua City Council district area plus the Tawa Community Board area of Wellington City Council.
The Pōneke/Wellington constituency is the Wellington City Council district area excluding the Tawa Community Board area.
The Te Upoko o te Ika a Māui Māori Constituency covers the whole Wellington Region area.