Norwich is the county town of Norfolk, in the East Anglia region of eastern England. It has a population of 121,600. Norwich is an ancient cathedral city, and achieved great prosperity in the late medieval period, when it was a centre for England's wool trade with continental Europe, especially with the cities of Flanders. Today it is known as a tourist centre and as the home of Colman's Mustard. The University of East Anglia is located on a campus site on the edge of Norwich.