New South Wales is bordered by Queensland, to the north, Victoria to the south and South Australia to the west. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean.
The state encompasses the whole of the Australian Capital Territory with its capital city of Canberra, which is where the parliament sits.
The state capital is Sydney, which is also the state's most populous city.
As of June 2010, the estimated population was 7,238,819. This represented 34.5% of the population of Australia, making it Australia's most populous state.