'Iwi' are the largest social units in New Zealand Māori society, which is often translated as 'tribe'.
From the early 18th century, the Ngāti Pāoa people edged their way into the Hauraki Gulf and as far north as Mahurangi.
The Ngāi Tai tribe, descended from the people of the Tainui canoe, settled in Maraetai.
From 1600 to 1750, the Tāmaki tribes terraced the volcanic cones, building pā, which are settlements behind protective palisades.
In 1825, Ngāti Whātua was attacked by Ngāpuhi attacked. The battle - Te Ika-a-ranganui – was fought near Kaiwaka. Apihai Te Kawau, chief of the Ngāti Whātua, abandoned the isthmus and took his people into exile.