Unalaska (Aleut: Nawan-Alaxsxa) is an island in the Fox Islands group of the Aleutian Islands in the US state of Alaska located at (53°38′N167°00′W). The island has a land area of 1,051 square miles (2,720 km²). It measures 127.8 kilometres (79.4 mi) long and 55.9 kilometres (34.7 mi) wide. The city of Unalaska, Alaska, covers part of the island and all of neighboring Amaknak Island where the Port of Dutch Harbor is located.