Thetford, Ruins of a Cluniac priory in Thetford, Norfolk, Eng.Ziko van Dijktown (parish), Breckland district, administrative and historic county of Norfolk, eastern England. It lies on the edge of Thetford Chase Forest.


Officially designated an “expanded town” for London’s overspill population, Thetford has grown since 1960. It has a number of industries, including paper and pulp manufacture, canning, and light engineering. Pop. (2001) 21,588; (2011) 24,340.