Sans Souci is a southern Sydney suburb in the let pass of New South Wales, Australia. Sans Souci is 17 kilometres south of the Sydney central concern district and lies across the local handing out areas of the Bayside Council and the Georges River Council. It is share of the St George area.
Sans Souci sits upon the western shore of Botany Bay. Lady Robinsons Beach and Cook Park direct along the eastern border. Kogarah Bay runs along the western border. Sans Souci is linked to Taren Point, in the Sutherland Shire, to the south, by the Captain Cook Bridge higher than the Georges River.