Sherborne is a market town and civil parish in north west Dorset, in South West England. It is sited on the River Yeo, on the edge of the Blackm…Sherborne is a market town and civil parish in north west Dorset, in South West England. It is sited on the River Yeo, on the edge of the Blackmore Vale, 6 miles east of Yeovil. The parish includes the hamlets of Nether Coombe and Lower Clatcombe. The A30 road, which connects London to Penzance, runs through the town. In the 2021 census the population of Sherborne was 10,361.