Grimsby (also known as Great Grimsby, after its Parliamentary constituency title) is a seaport on the Humber Estuary in Lincolnshire, England. It has been the administrative centre of the unitary authority of North East Lincolnshire since 1996. According to legend, Grimsby was first founded by Grim, a Danish fisherman. 'By' means 'village' in Old Norse and 'city' or 'town' in the modern Danish language.