Hertfordshire South West (UK Parliament constituency)

South West Hertfordshire
County constituency for the House of Commons
Boundary of South West Hertfordshire in Hertfordshire.
Location of Hertfordshire within England.
County	Hertfordshire
Electorate	78,269 (December 2010)
Major settlements	Berkhamsted Rickmansworth Tring
Current constituency
Created	1950
Member of parliament	David Gauke (Conservative)
Number of members	One
Created from	Watford and Hemel Hempstead
Overlaps
European Parliament constituency	East of England

South West Hertfordshire is a constituency represented in the House of Commons of the UK Parliament since 2005 by David Gauke, a Conservative.

1950–1974: The Urban Districts of Bushey, Chorleywood, and Rickmansworth, and the Rural District of Watford (the civil parishes of Abbots Langley, Aldenham, Rickmansworth Rural, Sarratt, and Watford Rural).

1974–1983: The Urban Districts of Bushey, Chorleywood, and Rickmansworth, and in the Rural District of Watford the civil parishes of Abbots Langley, Sarratt, and Watford Rural.

1983–1997: The District of Three Rivers wards of Ashridge, Bedmond, Carpenders Park, Chorleywood, Chorleywood West, Croxley Green, Croxley Green North, Croxley Green South, Hayling, Langleybury, Maple Cross and West Hyde, Mill End, Money Hill, Moor Park, Northwick, Oxhey Hall, Rickmansworth, and Sarratt, and the District of Dacorum wards of Berkhamsted Central, Berkhamsted East, Berkhamsted West, Bovingdon and Flaunden, Chipperfield, Kings Langley, and Northchurch.

1997–2010: The District of Three Rivers wards of Ashridge, Chorleywood, Chorleywood West, Croxley Green, Croxley Green North, Croxley Green South, Hayling, Maple Cross and West Hyde, Mill End, Money Hill, Moor Park, Northwick, Rickmansworth, and Sarratt, and the District of Dacorum wards of Aldbury and Wigginton, Berkhamsted Central, Berkhamsted East, Berkhamsted West, Bovingdon and Flaunden, Chipperfield, Northchurch, Tring Central, Tring East, and Tring West.

2010–present: The District of Three Rivers wards of Ashridge, Chorleywood East, Chorleywood West, Croxley Green, Croxley Green North, Croxley Green South, Hayling, Maple Cross and Mill End, Moor Park and Eastbury, Northwick, Penn, Rickmansworth, Rickmansworth West, and Sarratt, and the District of Dacorum wards of Aldbury and Wigginton, Berkhamsted Castle, Berkhamsted East, Berkhamsted West, Bovingdon, Flaunden and Chipperfield, Northchurch, Tring Central, Tring East, and Tring West.

This seat forms a thin strip along the south-west border of Hertfordshire from South Oxhey in the south, through interspersed settlements and countryside to Tring in the north. Settlements in the constituency include Berkhamsted, Chipperfield, Chorleywood, Croxley Green, Moor Park, Sarratt and Rickmansworth.