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Despite ceasing to exist as an independent territory over 1000 years ago, the kingdom has had an everlasting legacy. The county-name of [[Northumberland]], despite that covering a far smaller area, is descended directly from the kingdom name. [[Northumbria (modern)|Northumbria]] is an informal and loosely-defined region of England, sometimes used as a synonym for [[North East England]], the heartland of the ancient kingdom, with its inhabitants still sometimes being referred to as "Northumbrians".  

Despite ceasing to exist as an independent territory over 1000 years ago, the kingdom has had an everlasting legacy. The county-name of [[Northumberland]], despite that covering a far smaller area, is descended directly from the kingdom name. [[Northumbria (modern)|Northumbria]] is an informal and loosely-defined region of England, sometimes used as a synonym for [[North East England]], the heartland of the ancient kingdom, with its inhabitants still sometimes being referred to as "Northumbrians".  

== Geographical extent ==

== Geographical extent ==

At its greatest geographical extent (c. 700 AD), the kingdom broadly consisted of the present-day English counties [[Cumberland]], [[County Durham]], [[Lancashire]], [[Northumberland]], [[Westmorland]] and [[Yorkshire]], as well as [[Berwickshire]], [[Dumfriesshire]], [[Kirkcudbrightshire]], the [[Lothian|Lothians]], [[Roxburghshire]], [[Selkirkshire]] and [[Wigtownshire]].

At its greatest geographical extent (c. 700 AD), the kingdom broadly consisted of the present-day English counties [[Cumberland]], [[County Durham]], [[Lancashire]], [[Northumberland]], [[Westmorland]] and [[Yorkshire]], as well as [[Berwickshire]], [[Dumfriesshire]], [[Kirkcudbrightshire]], the [[Lothian|Lothians]], [[Roxburghshire]], [[Selkirkshire]] and [[Wigtownshire]] in Scotland. The Kingdom of Northumberland, starting in the 7th century, may have periodically ruled Lindsey in [[Lincolnshire]].

 

== History of Northumbria ==

== History of Northumbria ==