Wollongong, informally referred to as "The Gong", is a seaside city located in the Illawarra region of New South Wales, Australia. Wollongong lies on the narrow coastal strip between the Illawarra Escarpment and the Pacific Ocean, 68 kilometres (42 miles) south of central 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. The city's current Lord Mayor is Gordon Bradbery AM who was elected in 2018.