Westfield Southland is a shopping centre in the suburb of Cheltenham in Melbourne. Southland has a floor area of 129,180m², making it one of the biggest shopping centres in Australia by size. There are approximately 400 retailers in Southland, including Myer, David Jones and Harris Scarfe. According to the Melbourne 2030 Metropolitan Strategy, Southland is recognised as one of 26 Principal Activity Centres. The centre is also one of the most profitable shopping centres in Australia, with an annual turnover of $857.9-million recorded in 2016.

Cheltenham is a suburb in Melbourne, Victoria, Australia, 18 km south-east of Melbourne's Central Business District, located within the Cities of Bayside and Kingston local government areas. Cheltenham recorded a population of 23,992 at the 2021 census.