Narrabri ( /ˈnærəbraɪ/) is a town and seat of Narrabri Shire Council Local Government Area in the North West Slopes, New South Wales, Australia. Narrabri is situated on the Namoi River and lies 521 kilometres (324 mi) northwest of Sydney. It sits on the junction of the Kamilaroi Highway and the Newell Highway. At the 2006 census, Narrabri had a population of 6,102