Original sentence: Historically part of Lancashire, and now a Unitary Authority, the population of the Warrington borough, including its 18 civil parishes, is 191,084 (2001 Census).Warrington is a large town and borough within the ceremonial county of Cheshire, England
Edited sentence: It is now a Unitary Authority remaining within the Ceremonial County of Cheshire.The population of the Warrington borough, including its 18 civil parishes, is 191,084 (2001 Census).The whole town was administered as part of Lancashire until 1974.Warrington is a large town which sprawls across the River Mersey, dividing it between the historic counties of Lancashire and Cheshire.With the creation of new administrative counties, governance was transferred to Cheshire County Council