Naval Air Facility Adak, was a United States Navy airport located west of Adak, on Adak Island in the U.S. state of Alaska. After its closure in 1997, it was reopened as Adak Airport. The facility was designated a National Historic Landmark for its role in World War II, although most of its elements from that period have been demolished or lie in ruins.

Adak, formerly Adak Station, is a city located on Adak Island, in the Aleutians West Census Area, Alaska, United States. At the 2020 census, the population was 171, down from 326 in 2010. It is the westernmost municipality in the United States and the southernmost city in Alaska. The city is the former location of the Naval Air Facility Adak, NAVFAC Adak.