The University of Arkansas – Fort Smith, also known as UAFS, is a public, co-educational, four-year university. Located in Fort Smith, Arkansas, United States, UAFS is one of eleven campuses that constitute the University of Arkansas System. UAFS is the fifth largest university in Arkansas, with a fall 2012 credit enrollment of approximately 7,587. UAFS offers in-state tuition rates not only to Arkansas residents, but also those from Louisiana, Mississippi, Missouri, Oklahoma, Tennessee and Texas. The university campus occupies 168 acres of an award-winning, nationally recognized arboretum that has 1,182 GPS-inventoried trees representing 81 species. In 2003 the campus was named the "Best Maintained Landscape in the Nation".