Wantirna South is a suburb in Melbourne, Victoria, Australia, 24 km south-east of Melbourne`s central business district. Its local government area is the City of Knox, Wantirna South is a border suburb to City of Whitehorse and City of Monash. At the 2011 Census, Wantirna South had a population of 17,477. ==History== Wantirna South was mostly orc....