M25

Proper noun

 * 1) An orbital motorway surrounding London.
 * 2)  The notional border between London and the rest of the UK.
 * 3) * 2007, Great Britain: Parliament: House of Commons: Culture, Media and Sport Committee, Public Service Content: First Report of Session 2007-08, Vol. 2: Oral and Written Evidence, The Stationery Office ISBN 9780215037244, page 63
 * Under the Communications Act 2003, all the commercial public service broadcasters are therefore required to commission certain levels of network programming from outside the M25 by value and volume.