Gladstone /ˈɡlædstən/ is a city in the Gladstone Region, Queensland, Australia. It is approximately 550 km (340 mi) by road north of Brisbane and 100 km (62 mi) south-east of Rockhampton. Situated between the Calliope and Boyne Rivers, Gladstone is home to Queensland's largest multi-commodity shipping port.
Gladstone, together with Boyne Island and Tannum Sands, had an estimated urban population of 49,248 at June 2015. This urban area covers 240.2 km2 (92.7 sq mi).
Gladstone is the largest settlement within and the seat of the Gladstone Regional Council, which formed in 2008 amalgamating three former local government areas.