Delarof Islands (DE-luh-rawf), SW Alaska, group of 7 small isls. of the Aleutians, in N Pacific, bet. Andreanof Isls. (E) and Amchitka Pass (W); 51°33'N 178°49'W. Main isls. are Gareloi, Ogliuga (emergency airfield), Ulak, and Amatignak. Amatignak Isl. is the southernmost point in Alaska.