Chatteris is one of four market towns in the Fenland district of Cambridgeshire, situated in The Fens between Whittlesey and Ely. It is reputed to have been the last refuge of Boudica as she fled from the Romans http://www.enjoyengland.com/destinationguides/East_of_England/Destinations/chatteris.aspx. Its name derives from the Anglo-Saxon Caeteric - Ceto meaning a wood and Ric, a river.