The D'Aguilar Range is a mountain range near Brisbane, Queensland, Australia. The town of Dayboro is situated on the lower foothills midway along the range and the Sunshine Coast Hinterland town of Mooloolah lies at the northernmost point of the range. Many residential areas line its eastern slopes including the town of Samford and the suburb of Ferny Hills. In the west, numerous ridges and gullies are heavily forested and designated as state forest or national park.

Brisbane is the capital of the state of Queensland and the third-most populous city in Australia and Oceania, with a population of approximately 2.6 million. Brisbane lies at the centre of South East Queensland, which includes several other regional centres and cities. The central business district is situated within a peninsula of the Brisbane River about 15 km (9 mi) from its mouth at Moreton Bay. Brisbane is located in the hilly floodplain of the Brisbane River Valley between Moreton Bay and the Taylor and D'Aguilar mountain ranges. It sprawls across several local government areas, most centrally the City of Brisbane. The demonym of Brisbane is Brisbanite.