Alpharetta is located in metropolitan Atlanta, in Northern Fulton County. Until July 1858, it was known as the town of Milton, and on December 11 of that year, it was registered as the town of Alpharetta. The city's name may be a variation of a fictional Indian girl, Alfarata, in the 19th-century song "The Blue Juniata"; others claim that it was derived from alpha, the first letter of the Greek al[...]