Ultimo is an inner-city suburb of Sydney, New South Wales, Australia. It is adjacent to the Sydney central business district in the local government area of the City of Sydney west of the Darling Harbour area, and is bordered by Pyrmont to the north, the Sydney CBD and Chinatown/Haymarket to the east, Broadway and Chippendale to the …Ultimo is an inner-city suburb of Sydney, New South Wales, Australia. It is adjacent to the Sydney central business district in the local government area of the City of Sydney west of the Darling Harbour area, and is bordered by Pyrmont to the north, the Sydney CBD and Chinatown/Haymarket to the east, Broadway and Chippendale to the south, and Glebe and Wentworth Park to the west.