A ceremonial county of England, the most northerly county of England bordered by County Durham, Cumbria, Tyne and Wear, Scotland and the North Sea. | A unitary authority in Northumberland, England, which includes all of the traditional county except the area around Newcastle upon Tyne. | An English dukedom. | A place in the United States: | A town in Coos County, New Hampshire. | A place in the United States: | A town in Saratoga County, New York. | A place in the United States: | A borough in Northumberland County, Pennsylvania.