Gundagai is a town in New South Wales, Australia. Although a small town, Gundagai is a popular topic for writers and has become a representat…Gundagai is a town in New South Wales, Australia. Although a small town, Gundagai is a popular topic for writers and has become a representative icon of a typical Australian country town. Located along the Murrumbidgee River and Muniong, Honeysuckle, Kimo, Mooney Mooney, Murrumbidgee and Tumut mountain ranges, Gundagai is 390 kilometres south-west of Sydney. Until 2016, Gundagai was the administrative centre of Gundagai Shire local government area. In the 2021 census, the population of Gundagai was 2,057.