Helensville is a town in the North Island of New Zealand. It is sited 40 kilometres (25 mi) northwest of Auckland, close to the southern extremity of the Kaipara Harbour. State Highway 16 passes through the town, connecting it to Waimauku 16 kilometres (10 mi) to the south, and Kaukapakapa about 12 kilometres (7.5 mi) to the north-east. Parakai is two kilometres (1.2 mi) to the north-west. The Kaipara River runs through the town and into the Kaipara Harbour to the north.

Auckland is a large metropolitan city in the North Island of New Zealand. It has an urban population of about 1,478,800. It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and the islands of the Hauraki Gulf, and which has a total population of 1,739,300 as of June 2023. It is the most populous city of New Zealand and the fifth largest city in Oceania. While Europeans continue to make up the plurality of Auckland's population, the city became multicultural and cosmopolitan in the late-20th century, with Asians accounting for 31% of the city's population in 2018. Auckland has the fourth largest foreign-born population in the world, with 39% of its residents born overseas. With its large population of Pasifika New Zealanders, the city is also home to the biggest ethnic Polynesian population in the world. The Māori-language name for Auckland is Tāmaki Makaurau, meaning "Tāmaki desired by many", in reference to the desirability of its natural resources and geography. Tāmaki means "omen".