Fraternities and sororities at University of Virginia, include the collegiate organizations on the grounds of the University of Virginia in Charlottesville, Virginia. First founded in the 1850s with the establishment of a number of fraternities, the system has since expanded to include sororities, professional organizations, service fraternities, honor fraternities, and cultural organizations. Fraternities and sororities have been significant to the history of the University of Virginia, including the founding of two national fraternities Kappa Sigma (ΚΣ) and Pi Kappa Alpha (ΠΚΑ).