A map of Britain after AD 577 and the Anglo-Saxon migration. This map is color-coded to show the territories of the Celtic tribes, the Jutic tribes, the Saxons tribes, and the English tribes. The map shows important cities and ports of the time, labeled with their Roman names (Luguvallium, Uriconium), Anglo-Saxon names (Londonburh, Snottinga, Bamborough) and Celtic names (Pengwyrn, Myned Agned, Camelot).