Port Macquarie, sometimes shortened to Port Mac and commonly locally nicknamed Port, is a coastal city on the Mid North Coast of New South Wales, Australia, 390 km (242 mi) north of Sydney, and 570 km (354 mi) south of Brisbane, on the Tasman Sea coast at the mouth of the Hastings River, and the eastern end of the Oxley Highway (B56). It had a population of 47,974 in 2018, and an estimated population of 51,965 in 2023.