Arncliffe is 11 kilometres south of the Sydney city centre, close to Sydney Airport.
Arncliffe is on the Princes Highway which runs north towards the city and south towards Rockdale and Kogarah. Arncliffe railway station is on the Illawarra line of the City Rail network.
Surrounding suburbs are Bexley and Brighton-le-Sands (south), Tempe and Earlwood (north).
Arncliffe is a mostly low density detached and semi-detached houses with some town houses and blocks of flats. Postcode 2205: Arncliffe, Turrella, Wolli Creek is a blog with lots of photos by a local resident.