Johnsonville is a large suburb in northern Wellington, New Zealand. It is seven kilometres north of the city centre, at the top of the Ngauranga Gorge, on the main route to Porirua. It is commonly known by locals as "J'ville".

Porirua, a city in the Wellington Region of the North Island of New Zealand, is one of the four cities that constitute the Wellington metropolitan area. The name 'Porirua' is a corruption of 'Pari-rua', meaning "the tide sweeping up both reaches". It almost completely surrounds Porirua Harbour at the southern end of the Kāpiti Coast. As of June 2023, Porirua has a population of 60,900.