Queensland is the north-eastern state of Australia and has land borders with three other Australian states and territories: New South Wales, South Australia and Northern Territory. To the north of Queensland is the Torres Strait separating the Australian mainland from Papua New Guinea. To the east of Queensland is the Coral Sea, part of the Pacific Ocean. There are many islands off the Queensland coast which form part of the state of Queensland.

Barwon River, a perennial river that is part of the Murray–Darling basin, is located in the north-west slopes and Orana regions of New South Wales, Australia.