Workington is a town and port on the west coast of Cumbria, England at the mouth of the River Derwent. Lying within the borough of Allerdale, Workington is 32 miles (51.5 km) southwest ofCarlisle, 7 miles (11.3 km) northwest of Cockermouth, and 5 miles (8.0 km) southwest of Maryport. Historically a part of Cumberland, the area around Workington has long been a producer of coal, steel and high grade iron ore. Workington is the seat of Allerdale Borough Council, which is one of three borough councils in Cumbria and has a population of around 75,350. Tony Cunningham is the local MP for the constituency of the same name that includes other towns in the hinterland of Workington . Workington is twinned with Selm in Germany and Val-de-Reuil in France.