Bayside Council is a local government in New South Wales, Australia. It is located in Sydney, around part of Botany Bay, 7 kilometres (4.3 mi) to 12 kilometres (7.5 mi) south of the CBD. It includes suburbs of South Sydney and the St George area separated by the Cooks River. It comprises an area of 50 square kilometres (19 sq mi) and as at the 2016 census had a population of 156,058. The Council was formed on 9 September 2016 from the merger of the City of Botany Bay and the City of Rockdale.