Fields in Trust, is a British charity set up in 1925 as the National Playing Fields Association (NPFA), by Brigadier-General Reginald Kentish and the Duke of York, later King George VI, who was the first president, which protects parks and green spaces and promotes the cause of accessible spaces for play, sports and recreation in British cities and towns. As well as campaigning to protect playing fields and open space, Fields in Trust legally protects the King George's Fields, 471 public recreation grounds set up as a memorial to King George V.