The Hyde Park Barracks, Sydney is a heritage-listed former barracks, hospital, convict accommodation, mint and courthouse and now museum and cafe located at Macquarie Street in the Sydney central business district, in the City of Sydney local government area of New South Wales, Australia. Originally constructed between 1817 and 1819 as a brick building and compound to house convict men and boys, it was designed by convict architect Francis Greenway. It is also known as the Mint Building and Hyde Park Barracks Group and Rum Hospital; Royal Mint – Sydney Branch; Sydney Infirmary and Dispensary; Queen's Square Courts; Queen's Square. The site is managed by the Sydney Living Museums, an agency of the Government of New South Wales, as a living history museum open to the public.

Macquarie Street is a street in the central business district of Sydney in New South Wales, Australia. Macquarie Street extends from Hyde Park at its southern end to the Sydney Opera House at its northern end. Apart from connecting these two major landmarks, the key government institutions of the state of New South Wales are all located on this street.