- Dubbo is a city located in New South Wales, Australia. It is situated approximately 400 kilometers northwest of Sydney, the capital city of the state. Dubbo is the largest population center in the Orana region and serves as a major regional hub for commerce, services, and government administration. The city is known for its rich history, with several heritage-listed buildings, including the Dubbo Observatory and Taronga Western Plains Zoo, which is one of the largest open-range zoos in the world. Dubbo also offers a range of recreational activities, including parks, gardens, and sporting facilities.