Northumberland () is the northrenmaist ceremonial county an a unitary destrict in the North East o Ingland. It borders Cumbria tae the wast, Coonty Durham to the sooth an Tyne an Wear tae the sooth east, as well as haein a border wi the Scots Borders cooncil aurie tae the north, an a North Sea coastline o ootstaundin natural beauty. Syne 1981, the coonty council haes been locatit in Morpeth, situated in the east o the coonty.
As the kinrick o Northumbrie unner King Edwin, the region's heestorical bundaries stretched frae the Humber in the sooth tae the Forth in the north. The historic boondaries o the coonty cover a different aurie, includin Newcastle upon Tyne, the traditional coonty toun, as well as Tynemouth an ither settlements in North Tyneside, auries admeenistered bi Tyne an Wear syne 1974 unner the Local Government Act 1972. The historic bundaries o the coonty are sometimes taken tae exclude Islandshire, Bedlingtonshire an Norhamshire (collectively North Durham), exclaves o Coonty Durham which wur incorporatit intae Northumberland in 1844.
Being on the border o Ingland an Scotland, Northumberland haes been the steid o mony battles. The coonty is notit for its undeveloped landscape o heich moorland, a favourite wi landscape painters, an nou lairgely protectit as a National Park. Northumberland is the maist spairsely populatit coonty in Ingland, wi anerlie 62 fowk per square kilometre.
Northumberland's coonty flower is the Bloody Cranesbill (Geranium sanguineum) an her affiliated Royal Navy ship is her namesake, HMS Northumberland.