Glenside is a suburb in the local government area known as the City of Burnside, Adelaide, South Australia. The suburb is 4.9 kilometres south-east of the Adelaide city centre, home to 2,422 people in a total land area of 1.40 km2. It is bordered on the north by Greenhill Road, on the east by Portrush Road, on the south by Flemington Street and Windsor Road and the west by Fullarton Road. The suburb has a rectangular layout.