Middlesex Rugby is the governing body for rugby union in Middlesex, England; Middlesex is a historic county of England that covers areas in the ceremonial counties of Greater London, Surrey and Hertfordshire. The historic county is still in use when referring to sport, businesses and postal addresses in the area. Middlesex RFU was originally created as the Middlesex County Rugby Club but within six years was being referred to as the Middlesex County Rugby Football Union and is now known simply as Middlesex Rugby.