South West Wiltshire includes Trowbridge, Westbury, Warminster and Mere. Here's a quick whizz round it - all the places mentioned lie within the constituency.
From Wingfield down to Tollard Royal the western edge is the county boundary. The eastern side includes Berwick St John, Fovant and Barford St Martin, crossing the A36 at Codford. It then goes across the plain to Coulston before turning back westwards past Great Hinton and following the northern boundary of Trowbridge to rejoin the county boundary at Wingfield.
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