Elsternwick is a suburb in Melbourne, Victoria, Australia, 9 km south-east of Melbourne's central business district. Its local government area is the City of Glen Eira. At the 2011 Census Elsternwick had a population of 9,774.In terms of its cadastral division, Elsternwick is in the parish of Prahran within the County of Bourke. It is bounded by Nepean Highway, Elster Avenue, Kooyong Road, Glen Eira Road and Hotham Street (the continuation of Williams Road).