Ngāruawāhia is a town in the Waikato region of the North Island of New Zealand. It is located 20 kilometres (12 mi) north-west of Hamilton at the confluence of the Waikato and Waipā Rivers, adjacent to the Hakarimata Range. Ngāruawāhia is in the Hamilton Urban Area, the fourth largest urban area in New Zealand. The location was once considered as a potential capital of New Zealand.

Waikato is a region of the upper North Island of New Zealand. It covers the Waikato District, Waipa District, Matamata-Piako District, South Waikato District and Hamilton City, as well as Hauraki, Coromandel Peninsula, the northern King Country, much of the Taupō District, and parts of the Rotorua Lakes District. It is governed by the Waikato Regional Council.