Adak Island or Father Island is an island near the western extent of the Andreanof Islands group of the Aleutian Islands in Alaska. Alaska's southernmost city, Adak, is located on the island. The island has a land area of 274.59 square miles, measuring 33.9 miles long and 22 miles wide, making it the 25th largest island in the United States.
Location: Bering Sea
Population: 45 (2022)
Area: 274.6 sq mi (711 km²)
Area rank: 25th largest island in the United States
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