Northumberland 1542 and Hexhamshire in 1572. Islandshire, Bedlingtonshire and Norhamshire were incorporated into Northumberland in 1844. Tynemouth and other settlements in North Tyneside were transferred to Tyne and Wear in 1974 under the Local Government Act 1972. Lying on the Anglo-Scottish border, Northumberland has been the site of a number of battles. The county is noted for its undeveloped landscape of high moorland, now largely protected as the Northumberland National Park. Northumberland is the least densely populated county in England, with only 62 people per square kilometre. Northumberland originally meant 'the land of the people living north of the River Humber'.
North Slope Borough, Alaska the Beaufort Sea. The North Slope Borough is the largest county-level political subdivision in the United States by area, with a larger land area than that of the state of Utah (UT is the 13th-largest state in the nation). Although the adjacent Yukon-Koyukuk Census Area is larger in area, it has no borough-level government. The borough is the fourth-least densely populated county-level entity in the United States. The Yukon-Koyukuk Census Area is the least densely populated county-level entity). It shares its eastern border with Yukon, Canada, which has no subdivisions. As of the census of 2010, there were 7,385 people,