Ngāruawāhia (Māori pronunciation: [ŋaːɾʉaˈwaːhia]) (pop. 5,106) is a town in the Waikato region of the North Island of New Zealand. It is located 20 km north-west of Hamilton at the confluence of the Waikato and Waipa Rivers, adjacent to the Hakarimata Range. Ngāruawāhia lies within the Hamilton Urban Area, the fourth largest urban area in New Zealand.