The National League, known as the Vanarama National League for sponsorship reasons, is the highest level of the National League System and fifth-highest of the overall English football league system. It is the highest league that semi-professional teams in the English football league system play. Notable former English Football League clubs that compete in the National League include: Chesterfield, Oldham Athletic, Rochdale, York City, Hartlepool United and Southend United. The National League is the lowest division in the English football pyramid organised on a nationwide basis. Formerly the Conference National, the league was renamed the National League from the 2015–16 season.