Auburn is a city in Lee County, Alabama, United States. It is a principal city of the Auburn-Opelika Metropolitan Area. The Auburn-Opelika, AL MSA with a population of 150,933, along with the Columbus, GA-AL MSA and Tuskegee, Alabama, comprises the greater Columbus-Auburn-Opelika, GA-AL CSA, a region home to 501,649 residents.

Auburn is a college town and is the home of Auburn University. It is currently the fastest-growing metropolitan area in Alabama and the nineteenth fastest-growing metro area in the United States since 1990. U.S. News ranked Auburn among its top ten list of best places to live in the United States for the year 2009. The city's unofficial nickname is “The Loveliest Village On The Plains,” taken from a line in the poem The Deserted Village by Oliver Goldsmith: “Sweet Auburn! loveliest village of the plain...”