Ngāi Tahu, or Kāi Tahu, is the principal Māori iwi of the southern region of New Zealand. Its takiwā is the largest in New Zealand, and extends from Blenheim, Mount Mahanga and Kahurangi Point in the north to Stewart Island in the south. The takiwā comprises 18 rūnanga corresponding to traditional settlements.
Pepeha
Māuka tapu: Aoraki
Awa rere: Waitaki
Roto: Pūkaki
Waka: Takitimu
Rohe: Te Wai Pounamu
Tipuna: Tahu Pōtiki
Iwi: Kāi Tahu