The Division of Aston is an Australian Federal Electoral Division in the state of Victoria. The division is located in the eastern suburbs of Melbourne, coextensive with the City of Knox local government area. The suburbs in the division include Bayswater, Boronia, Ferntree Gully, Knoxfield, Rowville, Scoresby, The Basin, Wantirna and Wantirna South; and parts of Lysterfield, Sassafras and Upper Ferntree Gully.

Boronia is a suburb in Melbourne, Victoria, Australia, 29 km east of Melbourne's Central Business District, located within the City of Knox local government area. Boronia recorded a population of 23,607 at the 2021 census.