| NZ council | Whangārei District Council |
|---|---|
| NZ region | Northland |
| Partner | Haikou |
| Country | China |
| Province or state | Hainan |
| Relationship | Sister city |
| Established | — |
| Status | Active |
Whangārei District Council and Haikou, China, are recorded as a friendship relationship of the “sister city” type; the date is not recorded.
Source: rnz.co.nz