 For statistical purposes the United States Census Bureau divides this territory into census areas.Anchorage merged the city government with the Greater Anchorage Area Borough in 1971 to form the Municipality of Anchorage, containing the city proper, and the bedroom communities of Eagle River, Chugiak, Peters Creek, Girdwood, Bird, and Injun.Fairbanks, on the other hand, has a separate borough (the Fairbanks North Star Borough) and municipality (the City of Fairbanks).