22 mi. E of Stepovak Bay, include Chiachi I., Petrel I., Pinusuk I., Shapka I. and one unnamed island, Aleutian Range
Named by Captain Tebenkov (1852, map 24) "O(strova) Chiachi," from the Russian "chaika," "gull". The present name was published in 1888 by U.S. Coast and Geodetic Survey (USC&GS).
Coal Cape, Coal Point, Stirni Point, Three Star Point,
Islands:Chiachi Island, Paul Island, Petrel Island, Pinnacle Rock, Pinusuk Island, Shapka Island, Spitz Island,
Mountains:Rivers:Streams:Cities: