Northumbria

Northumbria (sometimes spelled Northhumbria) is primarily the name of both a medieval petty kingdom of Angles in what is now north east England and southern Scotland and of the earldom which succeeded it when England became a united Anglo-Saxon kingdom. The name reflects the approximate southern limit to the kingdom's territory: the Humber estuary.
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Noun
1. an Anglo-Saxon kingdom in northern England until 876
(hypernym) geographical area, geographic area, geographical region, geographic region
(part-holonym) England