Sydney is the largest city in Australia with a population of 22,000 in central Sydney and 4 million people in greater Sydney. The CBD is quite small in comparison to other cosmopolitan cities occupying an area of less than 6.2 square kilometres, greater Sydney on the other hand, comprises over 600 suburbs and localities and occupies an area of 2,500 square kilometres. The temperature averages a warm 23 ° C (72° F) in summer and averages around 13° C (55° F) in winter. The 2007 Genetics Conference of Australia will be held at the University of Sydney, Camperdown Campus which is South West of the city centre.

 Visit the NSW Tourism website for more information about Sydney.