Narrabri /ˈnærəbraɪ/ is a town and seat of Narrabri Shire local government area in the North West Slopes, New South Wales, Australia on the Namoi River, 521 kilometres (324 mi) northwest of Sydney. It sits on the junction of the Kamilaroi Highway and the Newell Highway. At the 2011 census, Narrabri had a population of 5,890.As a result of the geography of Narrabri and the surrounding areas, Narrabri township is quite prone to flooding.It is the centre of a major cotton-growing industry.