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Governance

Unlike other Australian capital cities, a large portion of the greater metropolitan area, or Greater Capital City Statistical Area (GCCSA) of Brisbane is controlled by a single local government area, the City of Brisbane, which is the largest local government area (in terms of population and budget) in Australia, serving more than 40% of the GCCSA's population. It was formed by the merger of twenty smaller LGAs in 1925, and covers an area of 1,367 km (528 sq mi). The remainder of the metropolitan area falls into the LGAs of Logan City to the south, City of Moreton Bay in the northern suburbs, the City of Ipswich to the south west, Redland City to the south east, and into the Somerset, Scenic Rim and Lockyer Valley regions on the urban periphery. Several of these are also among the nation's most populous LGAs.

Each LGA is governed under a similar structure, including a directly elected mayor (including the Lord Mayor of Brisbane), as well as a council composed of councillors representing geographical wards. Brisbane City Hall is the seat of the Brisbane City Council, the governing corporation of the City of Brisbane LGA, and the bulk of its executive offices are located at the Brisbane Square skyscraper.

As the capital city of Queensland, Brisbane is home to the Parliament of Queensland at Parliament House at Gardens Point in the CBD, adjacent to Old Government House. Queensland's current Government House is located in Paddington. The bulk of the state government's executive offices are located at the 1 William Street skyscraper. The Queensland Supreme and District courts are located at the Queen Elizabeth II Courts of Law in George Street, while the Magistrates court is located at the adjacent Brisbane Magistrates Court building. The various federal courts are located at the Commonwealth Law Courts building on North Quay.

The Australian Army 's Enoggera Barracks is located in Enoggera, while the historic Victoria Barracks in Petrie Terrace now hosts a military museum. The Royal Australian Navy 's HMAS Moreton base is located at Bulimba. The Royal Australian Air Force 's RAAF Base Amberley is located in Amberley in the outer south-west of the metropolitan area.

Brisbane's largest prisons and correctional facilities, the Brisbane Correctional Centre, Brisbane Women's Correctional Centre, Arthur Gorrie Correctional Centre and Wolston Correctional Centre are located at Wacol, while the city's main historical prison, the Boggo Road Gaol, is now a museum.