Malmesbury is a town and civil parish in north Wiltshire, England, which lies approximately 14 miles (23 km) west of Swindon, 25 miles (40 km) northeast of Bristol, and 9 miles (14 km) north of Chippenham. The older part of the town is on a hilltop which is almost surrounded by the upper waters of the Bristol Avon and one of its tributaries.

Wiltshire is a ceremonial county in South West England. It borders Gloucestershire to the north, Oxfordshire to the north-east, Berkshire to the east, Hampshire to the south-east, Dorset to the south, and Somerset to the west. The largest settlement is Swindon, and Trowbridge is the county town.