2 mi. SW of Sedanka, at E end of Unalaska I., Aleutian Islands.
Name derived from Udagak Strait and given by J. J. Gilbert, U.S. Coast and Geodetic Survey (USC&GS), commander of the Coast Survey Steamer Pathfinder during 1900-01.
Agamgik Bay, Agiisax, Amugul Bay, Beaver Inlet, Constantine Bay, Deep Bay, Dutch Harbor, English Bay, Hive Bay, Idilmaagim Naga, Iliuliuk Bay, Margaret Bay, Morris Cove, Sisek Cove, Small Bay, Staraya Bay, Strait Bay, Summer Bay, Tanaskan Bay, Udagak Bay, Udamat Bay, Ugadaga Bay, Ulalux, Unalaska Bay, Uniktali Bay,
Agaan Qagangaa, Agamgim Yaga, Brundage Head, Chaluuknam Yaga, Chaxsxin Kadaa, Fishermans Point, Idilmaax, Kayak Cape, Qawa-chunguxtan, Qigaan-kadaa, Spithead, Tanasxan Yaga, Ulakta Head, Uugdagan-yaga,