Lincoln is a cathedral city and county town of Lincolnshire, England. The non-metropolitan district of Lincoln had a 2012 population of 94,600. The 2011 census gave the urban area of Lincoln, including North Hykeham and Waddington, a population of 115,000. Roman Lindum Colonia developed from an Iron Age settlement on the River Witham. Landmarks include Lincoln Cathedral – English Gothic architecture, for over 200 years the world's tallest building – and the 11th-century Norman Lincoln Castle. The city hosts the University of Lincoln, Bishop Grosseteste University, Lincoln City FC and Lincoln United FC.