Mudgee is a town in the Central West of New South Wales, Australia. It is in the broad fertile Cudgegong River valley 261 km north-west of Syd…Mudgee is a town in the Central West of New South Wales, Australia. It is in the broad fertile Cudgegong River valley 261 km north-west of Sydney and is the largest town in the Mid-Western Regional Council local government area as well as being the council seat. At the 2021 Census, its population was 11,457. The district lies across the edge of the geological structure known as the Sydney Basin.