Hamilton is a city in the North Island of New Zealand. It is the seat and most populous city of the Waikato region, with a territorial population of 169,300, the country's fourth most-populous city. Encompassing a land area of about 110 km2 on the banks of the Waikato River, Hamilton is part of the wider Hamilton Urban Area, which also encompasses the nearby towns of Ngaruawahia, Te Awamutu and Cambridge.