Northwest Arctic Borough is a borough located in the U.S. state of Alaska. As of the 2020 census, the population was 7,793, up from 7,523 in 2010. The borough seat is Kotzebue. The borough was formed on June 2, 1986.

Kotzebue or Qikiqtaġruk is a city in the Northwest Arctic Borough in the U.S. state of Alaska. It is the borough's seat, by far its largest community and the economic and transportation hub of the subregion of Alaska encompassing the borough. The population of the city was 3,102 as of the 2020 census, down from 3,201 in 2010.