Adak /ˈeɪdæk/, formerly Adak Station, (Unangax̂: Adaax) is a town located on Adak Island, in the Aleutians West Census Area, Alaska, United States. At the 2010 census the population was 326, up from 316 in 2000. It is the westernmost municipality in the United States and the southernmost city in Alaska. (See Extreme points of the United States.) The city is the former location of the Adak Army Base and Adak Naval Operating Base, NAVFAC Adak. There are no radio stations within 200 miles (320 km) of Adak; radio can be received in Adak only through satellite or shortwave receivers.