Unga Island (Uĝnaasaqax̂[1] in Aleut) is the largest of the Shumagin Islands off the Alaska Peninsula in southwestern Alaska, United States. The island has a land area of 170.73 sq mi (442.188 km2), making it the 36th largest island in the United States. As of the 2000 census, it had a permanent population of one.[2]
Unga Island was formerly named Grekodelarovskoe[3] (Greek Delarov) for Greek explorer Evstratii Ivanovich Delarov Greek: (Ευστράτιος Ντελάρωφ) who explored the area in the late 18th century on behalf of the Russian-American Company.
In 1968, Unga Island, was designated as a National Natural Landmark by the National Park Service.[4]