Mac. Robertson Land is the portion of Antarctica lying southward of the coast between William Scoresby Bay and Cape Darnley. It is located at 70°00′S 65°00′E. In the east, Mac. Robertson Land includes the Prince Charles Mountains. It was named by the British Australian and New Zealand Antarctic Research Expedition (BANZARE) (1929–1931), under Sir Douglas Mawson, after Sir Macpherson Robertson of Melbourne, a patron of the expedition.