Byron Bay is a beachside town located in the far-northeastern corner of New South Wales, Australia. It is located 772 kilometres (480 mi) north of Sydney and 165 kilometres (103 mi) south of Brisbane. Cape Byron, a headland adjacent to the town, is the easternmost point of mainland Australia. At the 2021 census, the town had a permanent population of 6,330. It is the largest town of Byron Shire local government area, though not the shire's administrative centre.

Northern Rivers is the most northeasterly region of the Australian state of New South Wales, located between 590 and 820 kilometres north of the state capital, Sydney, and encompasses the catchments and fertile valleys of the Clarence, Richmond, and Tweed rivers. It extends from Tweed Heads in the north to the southern extent of the Clarence river catchment which lies between Grafton and Coffs Harbour, and includes the main towns of Tweed Heads, Byron Bay, Ballina, Kyogle, Lismore, Casino and Grafton. At its most northern point, the region is 102 kilometres (63 mi) south-southeast of the Queensland capital, Brisbane.