South West Wiltshire has been considerably changed by the Boundary Commission review ahead of the next general election.
The constituency includes the County Town of Wiltshire, Trowbridge, in the North, the market towns of Westbury and Warminster in the centre and the rural villages of Stourton and Mere in the South West and Codford in the South East.
At the last census the constituency had 71,551 voters in 20 electoral wards.