The Domain is a heritage-listed 34-hectare area of open space on the eastern fringe of the Sydney central business district, in the City of Sydney local government area of New South Wales, Australia. Separating the central business district from Woolloomooloo, The Domain adjoins the Royal Botanic Garden and is managed by The Royal Botanic Gardens and Domain Trust, a division of the NSW Office of Environment and Heritage, an agency of the Government of New South Wales.