The University of Florida (commonly referred to as Florida, UF or U of F) is an American public land-grant, sea-grant, and space-grant research university located on a 2,000-acre (8.1 km2) campus in Gainesville, Florida. The university traces its historical origins to 1853, and has operated continuously on its present Gainesville campus since September 1906.The University of Florida is ranked 17th overall among all public national universities in the current 2013 U.S. News & World Report rankings, and consistently ranks within the top 100 universities worldwide. The University of Florida is considered a "Public Ivy," a designation reserved for the top public universities in the United States.