Middlesex is a county in England, largely a metropolitan area of
London, bounded on the north by
Hertfordshire, on the east by
Essex, on the southeast by
County of London, on the south by
Surrey, and on the west by
Buckinghamshire. Its area is 382 square miles.
With the exception of Rutland, it is the smallest of English counties. It is drained by the Thames, which forms its southern border. The capital is Brentfield.
