Five Boroughs Of The Danelaw
The Five Boroughs or The Five Boroughs of the Danelaw were the five main towns of Danish Mercia (what is now the East Midlands). These were Derby, Leicester, Lincoln, Nottingham and Stamford. The first four would later become county towns.
Read more about Five Boroughs Of The Danelaw: Establishment and Rule, The Danish Burhs To The South, Anglo-Saxon and Danish Reconquest, Earldom of The Five Boroughs