between Great Sitkin and Umak Islands., one of Andreanof Islands., Aleutian Islands.
Aleut name published by Captain Tebenkov (1852, map 28), Imperial Russian Navy (IRN), as "O(strov) Tanaklakh," or "Tanaklakh Island."
Aankuuga, Aanudaax, Agamaxchizalix, Azamis Cove, Cabin Cove, Chalux, Chisak Bay, Crater Cove, Hanimisax, Hanisxa, Hiixsax, Igitkin Bight, Iiqiisix, Liisis Tatuu, Lower Arm, Naagix Adimtusix, Nahmagix, Piper Cove, Qagaagix Chalux, Qahnichxucha, Qigaagix Adimtusix, Qigaangax, Quail Bay, Round Cove, Saamlus, Sand Bay, Scripps Bay, Tana Bight, Ugiilagaadax, Ulgusix, Umak Bight, Upper Arm Cabin Cove, Uuhmugzux, Yoke Bay,
Aalux, Agony Point, Bugle Point, Cape Agumsadak, Cape Akuyan, Cape Azamis, Cape Chakik, Cape Chisak, Cape Kiugilak, Cape Lises, Cape Ruin, Cape Umak, Cemetery Point, Elbow Point, Igitkin Point, Iqalax, Knaxchiing, Kyugaadax, Moss Point, Narrows Point, Oglala Point, Passage Point, Qatxayas Yaaga, Ragged Point, Reach Point, Rip Point, Saddle Point, Sulphur Point, Swallow Head, Tana Point, Tanagam Amaga, Zaliva Point,
Amgasis, Asuksak Island, Atangax, Aziak Island, Box Island, Chaika Rock, Chisak Island, Great Sitkin Island, Igitkin Island, Kanu Island, Little Tanaga Island, Rip Rock, Silak Island, Tagadak Island, Tanaklak Island, Tanax Angunax, Teapot Rock, Ulak Island, Umak Island,