The announcement comes after a person who travelled from Sydney to Wellington tested positive for the virus upon their return.
The person was in Wellington from 19 June until 21 June.
In today's 1pm press conference, Covid-19 Response Minister Chris Hipkins says that includes the Wairarapa and the Kapiti Coast.
The rest of New Zealand will remain at alert level 1.
Alert level 2 means:
Earlier today, the Ministry or Health said based on the time of their symptom onset and CT score, it is most likely they contracted the virus prior to their visit to New Zealand.
Genome sequencing is underway in Australia to see if the case is linked to the current outbreak in Sydney.
Four close contacts have been identified and are isolating.
Wellingtonians and visitors to Wellington last weekend are urged to check the up-to-date list of locations of interest.
Last night, the ministry announced quarantine-free travel from New South Wales to New Zealand was put on pause, and would remain in place for at least 72 hours.
People who have been at these locations at the relevant time should immediately isolate at their home or accommodation and call Healthline on 0800 358 5453 for advice on testing.
More to come...