Which of the following statements about New Zealand is incorrect ?

Tasman Sea, section of the southwestern Pacific Ocean, between the southeastern coast of Australia and Tasmania on the west and New Zealand on the east; it merges with the Coral Sea to the north and encloses a body of water about 1,400 miles (2,250 km) wide and 900,000 square miles (2,300,000 square km) in area. It is not landlocked.