Raukawa ki te Tonga is a confederation of various iwi and hapū. Iwi includes Ngāti Raukawa, Ngāti Huia, Ngāti Kauwhata, Ngāti Tukorehe and Ngāti Wehiwehi. Other groups affiliate to iwi such as Ngāti Maniapoto and Ngāti Tūwharetoa. There are 25 iwi/hapū groups.