The Rural City of Swan Hill is a local government area in Victoria, Australia, located in the north-western part of the state. It covers an area of 6,117 square kilometres (2,362 sq mi) and, at the 2011 Census, had a population of 20,449. It includes the towns of Swan Hill, Lake Boga, Manangatang, Nyah, Nyah West, Piangil, Robinvale, Ultima and Woorinen South.