Sheffield is a city and metropolitan borough in South Yorkshire,
England. Historically part of the West Riding of Yorkshire, its name derives
from the River Sheaf, which runs through the city. With some of its southern
suburbs annexed from Derbyshire, the city has grown from its largely industrial
roots to encompass a wider economic base. The population of the City of
Sheffield is 551,800 (2011 est.) and it is one of the eight largest
regional English cities that make up the Core Cities Group. Sheffield is the
third largest English district by population.
During the 19th century, Sheffield gained an
