The Krenitzin Islands (centered at ca. (54°10′N165°35′W) are a group of small islands located in the eastern portion of the Fox Islands group of the eastern Aleutian Islands, Alaska. The Krenitizins are situated between Unalaska Island to the southwest and Unimak Island to the northeast. Named islands in the Krenitzins group include Aiktak, Avatanak, Derbin, Kaligagan (Qisĝagan), Rootok (Aayux̂tax̂), Round, Tigalda, and Ugamak. All of these islands are managed as part of the Aleutian Islands Unit of the Alaska Maritime National Wildlife Refuge. The Krenitzins have a total land area of 61.596 sq.mi.