Swanston Street is a major thoroughfare in the Melbourne central business district, Victoria, Australia. It was laid out in 1837 as part of the original Hoddle Grid. The street vertically bisects Melbourne's city centre and is famous as the world's busiest tram corridor, for its heritage buildings and as a shopping strip.

The Melbourne central business district is the city centre and main urban area of the city of Melbourne, Victoria, Australia, centred on the Hoddle Grid, the oldest part of the city laid out in 1837, and includes its fringes. The Melbourne CBD is located mostly in the local government area of the City of Melbourne, which also includes some of inner suburbs adjoining the CBD, while a small section extends into the City of Port Phillip.