A locality in the London Borough of Barnet.
Mill Hill was in the historic county of Middlesex until it was absorbed by London.
Mill Hill consists of several distinct parts: the original Mill Hill Village; the later-developed Mill Hill Broadway (now the main hub of the area); and Mill Hill East. A further area at the western edge of the suburb, The Hale, is on the borders of Mill Hill and Edgware, and is partly in each.
Served by Mill Hill Broadway Station and Mill Hill East Station and various buses. It was also previously served by Mill Hill (The Hale) Station.
The Wikipedia page is [1]