Liverpool is a city in North West England, United Kingdom with a population of about 485,000 in 2015. It is part of the Liverpool-Birkenhead metropolitan area, the fifth-largest metropolitan area in the UK. The local government is Liverpool City Council.
Liverpool is on the eastern side of the River Mersey. It used to lie in the old area of West Derby in the south west of Lancashire. It became a borough in 1207 and a city in 1880. In 1889, it became separate from Lancashire. Liverpool's growth as a large port was matched by the growth of the city during the Industrial Revolution.