Greta is a suburb of the Cessnock and Maitland local government areas in the Hunter Region of New South Wales, Australia. Most of the population lives in the town of the same name, located in the north of the suburb, which is bisected by the New England Highway. At the 2011 census the town had a population of 2,483. It is largely a commuter town located midway between Cessnock, Singleton and Maitland. The town is linked to nearby Branxton especially during community events. Greta is close to major grape-growing areas of the Hunter Region.