sydneySydney is the capital city of the state of New South Wales and the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 km (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 km (50 mi) from Ku See moreThe climate of Sydney, the capital of New South Wales, lying on the southeast coast of Australia, at 34 degrees south latitude, is humid subtropical, with mild winters and warm summers. To