Wollongong is a city in the Illawarra region of New South Wales, Australia. It lies on the narrow coastal strip between the Illawarra Escarpment and the Pacific Ocean, 85 kilometres south of Sydney. Wollongong had an estimated urban population of 302,739 at June 2018, making it the third-largest city in New South Wales after Sydney and Newcastle and the tenth-largest city in Australia by populatio…