New Zealand was a country composed of a group of islands in the South Pacific Ocean on Earth. The country's capital city was Wellington. It was home to the Māori. (DS9: "The Visitor", "Past Tense, Part I")

New Zealand was covered by rain forests similar to the forests found on the planet Dakala. (ENT: "Rogue Planet") New Zealand's largest mountain, Mount Cook, was located near the west coast of New Zealand's South Island, in the general vicinity of the city of Christchurch, which was located on the east coast of New Zealand's South Island. (DS9: "Past Tense, Part I")

During the 24th century, New Zealand was the site of the prestigious Pennington School, that was located in Wellington. (DS9: "Explorers", "The Visitor", "The Muse")

In 2364, the Federation was in diplomatic negations with the New Zealand government. (TNG: "Conspiracy", okudagram)

It was also the location of the Federation's minimum security New Zealand Penal Settlement. (VOY: "Caretaker", "Non Sequitur"; DS9: "Doctor Bashir, I Presume")

The 22nd century starship, HMS New Zealand, was named for New Zealand. (TNG: "Up The Long Ladder")

The 24th century starship, USS Wellington, was named after the former capital of the islands. (TNG: "11001001")