Pewsey is a village and civil parish at the centre of the Vale of Pewsey in Wiltshire, about 6 miles south of Marlborough and 71 miles west of London. It is within reach of the M4 motorway and the A303 and is served by Pewsey railway station on the Reading to Taunton line. The parish includes the settlements of Kepnal to the east, Pewsey Wharf to the north, Sharcott to the west, and Southcott on the south-east.