Valdosta is a city in and the county seat of Lowndes County, located on the southern border of Georgia, United States. As of 2013, Valdosta has a total population of 56,481, and is the 14th largest city in Georgia.Valdosta is the principal city of the Valdosta Metropolitan Statistical Area, which in 2010 had a population of 139,588. It includes part of Brooks County to the west.Valdosta is the home of Valdosta State University, a regional university in the University System of Georgia with over 10,900 students. The local public Valdosta High School has the most winning football program of any high school in the United States.Valdosta is called the Azalea City, as the plant grows in profusion there. The city hosts an annual Azalea Festival in March.