The 'official' meaning of the word 'city' in the UK is quite different from the word's common usage meaning and is independent of its geographical size or population size. The following articles clear up any confusion:
Most people take the word 'city' to mean large town. A popular misconception is that city status is granted to a town if it has a cathedral or university. In fact 'official' city status in the UK is independent of these things. more»
Discusses the criteria taken into account for granting city status in the UK and highlights the disparity between the official meaning of the word 'city' and its common usage meaning.
A list of the largest UK cities and their population in order of population size. The population statistics refer to proper city zones, not metropolitan areas.
A list of the oldest cities in the UK, or more precisely those with the oldest dates of incorporation, as it is not known when most of them originally began as settlements, prior to receiving city status.
A list of the dates when each of the UK's cities received their charters of incorporation (official city status).Large cities - conurbations and metropolises
Since the industrial revolution, massive cities began to evolve in Britain. As the urban sprawl continued many forged stronger links with other nearby towns and cities to form giant metropolises and conurbations.