埃尔斯沃思地是南极洲大陆的一部分，以玛丽伯德地为西界，北临别林斯高晋海，东北面是南极半岛，东接龙尼冰架（Ronne Ice Shelf），是大型的冰源和埃尔斯沃思山脉（Ellsworth Mountains）和斯凯夫山脉（Scaife Mountains）。埃尔斯沃思地涵盖103°24'W至79°45'W区域，没有国家声称拥有90°W以西主权，智利声称拥有90°W以东主权，英国则声称拥有84°W以东英属南极领地的主权。

Ellsworth Land is that portion of the Antarctic continent bounded on the west by Marie Byrd Land, on the north by Bellingshausen Sea, on the northeast by the base of Antarctic Peninsula, and on the east by the western margin of Ronne Ice Shelf. It extends between 103°24'W and 79°45'W. The area west of 90°W is unclaimed, the area between 84°W and 90°W is claimed by Chile only, and the remainder by Chile and the United Kingdom as a part of the British Antarctic Territory. Eights Coast stretches between 103°24'W and 89°35'W, and Bryan Coast between 89°35'W and 79°45'W.