Coulston (until 1934 called East Coulston) is a village and civil parish in Wiltshire, England, five miles northeast of the town of Westbury, just north of the B3098 road. The village lies under the north slope of Salisbury Plain and the parish extends south onto the Plain.
The parish has an elected parish council called Coulston Parish Council.
Edington is a village and civil parish in Wiltshire, England, about 4 miles (6 km) east-northeast of Westbury. The village lies under the north slope of Salisbury Plain and the parish extends south onto the Plain. Its Grade I listed parish church was built for Edington Priory in the 14th century.
Tinhead is the former name of the eastern half of present-day Edington, towards Coulston along the B3098 Westbury to Market Lavington road. Tinhead is labelled on the Ordnance Survey map of 1945 but not on the 1958 map. Today the combined settlement is Edington and the name survives only in Tinhead Hill and Tinhead Lane.