Located south of Alaska Peninsula, 7.3 miles south of Cape Kumliun, Aleutian Range.
Eskimo name shown in 1847 as "Os(trov) Nakchamik" on Urssian Hydrographic Dept. Chart 1379.
Atkulik Island, Flat Top Rock, Gull Island, Kak Island, Nakchamik Island, Unavikshak Island,
Streams: