a chain of over 150 volcanic islands, extending southwestwards from the Alaska Peninsula between the N Pacific and the Bering Sea
Aleutian Islands in American English
chain of islands extending c. 1,200 mi (1,931 km) southwest from the tip of the Alaska Peninsula: constituting, with the W half of the Alaska Peninsula, a district of Alas.: 15,501 sq mi (40,147 sq km); pop. 8,200