Guisborough is a market town and civil parish in the unitary authority of Redcar and Cleveland and in the Tees Valley region of the North East of England. For ceremonial purposes it is in the ceremonial county of North Yorkshire. The population of the Guisborough ward in the Redcar and Cleveland unitary authority at the 2011 census was 7,622.Historically in the North Riding of Yorkshire, the civil parish of Guisborough including the outlying villages of Upleatham, Dunsdale and Newton under Roseberry had a population of 18,108.HistoryGuisborough was formerly part of the North Riding of Yorkshire, from 1974 to 1996 part of the County of Cleveland and now in the unitary authority of Redcar and Cleveland. Gighesbore is recorded in the Domesday Book and the ruined Gisborough Priory dates to the 12th century. The priory and Gisborough Hall (16th century, demolished and rebuilt) are spelt without the first U. Some other old sites and names use that same spelling.