Tilshead is a village and civil parish in the county of Wiltshire in Southern England, about 9 miles (14 km) northwest of the town of Amesbury. It is close to the geographical centre of Salisbury Plain, on the A360 road approximately midway between the villages of Shrewton and West_Lavington and is near the source of the River Till. Its population in 2011 was 358, down from a peak of 989 inhabitants in 1951.

Amesbury is a town and civil parish in Wiltshire, England. It is known for the prehistoric monument of Stonehenge which is within the parish. The town is claimed to be the oldest occupied settlement in Great Britain, having been first settled around 8820 BC. The parish includes the hamlets of Ratfyn and West Amesbury, and part of Boscombe Down military airfield.