Murwillumbah is a town in the Northern Rivers region of New South Wales, Australia, in the Tweed Shire, on the Tweed River. Sitting on the south eastern foothills of the McPherson Range in the Tweed Volcano valley, Murwillumbah is 848 km north-east of Sydney, 13 km south of the Queensland border and 132 km south of Brisbane. The town's name is often abbreviated to M'bah or Murbah. At the 2021 census, Murwillumbah had a population of 9,812.