Henderson (Māori: Ōpanuku) is a major suburb of West Auckland, in the North Island of New Zealand. It is 13 kilometres (8.1 mi) west of Auckland city centre, and two kilometres (1.2 mi) west of the Whau River, a southwestern arm of the Waitematā Harbour. The suburb is located within the Henderson-Massey Local Board of the Waitākere Ward, one of the thirteen administrative divisions of Auckland Council.