Prince William has arrived in Auckland and been met by Prime Minister John Key and his wife, Bronagh.
New Zealand Governor General Anand Satyanand was also there to greet him when he landed shortly after 11am.
He will visit Eden Park to see the redevelopment work and be briefed on plans for the Rugby World Cup later on this afternoon.
Prince William will also go sailing on Waitemata Harbour on the America's Cup yacht NZL40, and attend a hangi at Government House.
He will fly to Wellington tomorrow, where he will represent the Queen at the opening of the new Supreme Court building.
Other activities include a wreath laying at the National War Memorial, a barbecue hosted by Mr Key at Premier House and a visit to Wellington Children's Hospital.
Members of the public will have a chance to see Prince William when he does a walkabout after the Supreme Court opening.
Prince William will leave for Australia on Tuesday.