where did he carry out his final expedition?
The Antarctic
Ernest Shackleton
The plan changed; the destination became the Antarctic, and the project was defined by Shackleton as an "oceanographic and sub-antarctic expedition". The goals of the venture were imprecise, but a circumnavigation of the Antarctic continent and investigation of some "lost" sub-Antarctic islands, such as Tuanaki, were mentioned as objectives.

Rowett agreed to finance the entire expedition, which became known as the Shackleton–Rowett Expedition. On 16 September 1921, Shackleton recorded a farewell address on a sound-on-film system created by Harry Grindell Matthews, who claimed it was the first "talking picture" ever made. The expedition left England on 24 September 1921.
what is farthest south? It is the most  southerly latitude reached by explorers before the conquest of the South Pole in 1911. who led the explorers? Robert Falcon Scott and Ernest Shackleton what is the nationality of the latter? He is Irish can you name any of his expeditions? The "Discovery" expedition, the "Nimrod" expedition what was discovered in the latter? Barrier Inlet did his exploration brought him fame? Commander of the Royal Victorian Order
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Ernest Shackleton [SEP] Final expedition and death
Shackleton returned to the lecture circuit and published his own account of the "Endurance" expedition, "South", in December 1919. In 1920, tired of the lecture circuit, Shackleton began to consider the possibility of a last expedition. He thought seriously of going to the Beaufort Sea area of the Arctic, a largely unexplored region, and raised some interest in this idea from the Canadian government. With funds supplied by former schoolfriend John Quiller Rowett, he acquired a 125-ton Norwegian sealer, named "Foca I", which he renamed . The plan changed; the destination became the Antarctic, and the project was defined by Shackleton as an "oceanographic and sub-antarctic expedition".