Original sentence: It covers the northern and eastern parts of the town, including the Birchwood, Orford, Padgate and Woolston areas.The Southern boundary (with Warrington South) is the River Mersey.The constituency is one of two covering the unitary authority of Warrington, Cheshire, the other being Warrington South
Edited sentence: It covers the northern and eastern parts of the town traditionally in Lancashire, including the Birchwood, Orford, Padgate and Woolston areas.The Southern boundary (with Warrington South) is the River Mersey, the historic Lancashire and Cheshire border.The constituency is one of two covering the unitary authority of Warrington, the other being Warrington South