Harden–Murrumburrah is a township and community in the Hilltops Region and is located in the South West Slopes of New South Wales in Australia and is adjacent to both the Canberra region of the Australian Capital Territory and the Riverina Region in the southwest area of NSW. The town is a twin town between Harden and Murrumburrah (which is noted as one of the earliest settlements in the southwest of New South Wales). The Olympic Highway traverses the western end of the shire and is the major link through the central west to the Blue Mountains and from there to the Sydney region.