The next America's Cup regatta will take place in Barcelona.
Team New Zealand's chief executive Grant Dalton says the decision came down to money; not enough was on offer to stay in Auckland and win.
But Aucklanders down at the Viaduct, where last year's Cup was held, are mostly unhappy.
AUT sailing professor Mark Orams told Māni Dunlop the move was disappointing, and New Zealand now had to try make the most of the decision.