Salisbury is a cathedral city and civil parish in Wiltshire, England with a population of 41,820, at the confluence of the rivers Avon, Nadder and Bourne. The city is approximately 20 miles from Southampton and 30 miles from Bath. Salisbury is in the southeast of Wiltshire, near the edge of Salisbury Plain. An ancient cathedral was north of the present city at Old Sarum.