Mountainous island lying near the center of the Andreanof Islands, Aleutian Islands. 28 miles long. 711 square kilometers in area.
Aleut name reported as "Ayasgh" or "Kayaku" by Maxim Lazerov in 1761 (Coxe, 1787, p. 81). Adakh" by Lieutenant Sarichev (1826, map 3), Imperial Russian Navy (IRN), and Captain Tebenkov (1852, map 28), Imperial Russian Navy (IRN). adaq" which R. H. Geoghegan translates as "father."
Adak Bight, Aduutuqix, Andrew Bay, Bay of Islands, Bay of Waterfalls, Beverley Cove, Beyer Bay, Blind Cove, Boot Bay, Camel Cove, Campers Cove, Cataract Bight, Chapel Cove, Chaxchim-qakuudguu, Chuqax, Expedition Harbor, False Bay, Finger Bay, Finger Cove, Fisherman Cove, Gannet Cove, Hammerhead Cove, Hidden Bay, Iixtagagiidax, Kimlaliilux, Kuluk Bay, Middle Arm Three Arm Bay, North Arm Three Arm Bay, Qaluugix Hiliixsax, Ringgold Sound, Scabbard Bay, Shagak Bay, South Arm Three Arm Bay, Sweeper Cove, Trappers Cove, Unalga Bight,
Barnard Point, Beverley Point, Blind Point, Boot Point, Campers Point, Cape Adagdak, Cape Kagigikak, Cape Kiguga, Cape Moffett, Cliff Point, Fox Point, Hammerhead, Ixusis, Kelp Point, Low Point, Low Point, Lucky Point, Mid Point, Middle Point, Range Point, Split Point, Thunder Point, Turret Point, Vincennes Point, Wedge Cape, Zeto Point,
Acorn Rock, Adak Island, Agux, Anglamax, Argonne Island, Black Island, Cascade Rock, Channel Islands, Cormorant Island, Crone Island, Dora Island, Eaglet Rocks, Elf Island, Gannet Rocks, Green Island, Ina Island, Large Rock, McCulloch Rock, North Island, North Rocks, Pit Rock, Plum Island, Plum Island Rocks, Pulpit Rocks, Red Rock, Ringgold Island, Sachem Head, Sea Parrot Island, South Island, South Rocks, Staten Island,