Southwick is a rural village southwest of the county town of Trowbridge, Wiltshire, in England. It is separated from Trowbridge only by the Southwick Country Park, which consists of of open fields. The majority of the village lies south of the A361, which runs through the village, linking Trowbridge with Frome. It has a small primary school, which is located next to a large playing field.
Southwick has two main housing estates in the north east of the village, opposite the Southwick Allotments and the 'Farmhouse Inn' pub. The estates are linked, and named Chantry Gardens and Fleur De Lys Drive. In 2011, a small cluster of houses was built north of Fleur De Lys Drive, but linked to Fleur De Lys Drive via a short path. The estate was named Greenleaze Close. The second large group of housing is located to the south and the west of the playing field, and there are single short roads branching off of Blind Lane and Wesley Lane (a single road winding from Wynsome Street (in between the A361 and North Bradley). These roads are named Southfield, Wesley Close and Orchard Drive.