Counties See Counties of England Durham Northumberland Unitary Authority Areas See Unitary authorities in England Darlington (formerly part of Durham) Gateshead (formerly part of Durham, then Tyne and Wear) Hartlepool (formerly part of Durham, then Cleveland) Middlesbrough (formerly part of North Riding of Yorkshire, then Cleveland) Newcastle Upon Tyne (formerly part of Northumberland, then Tyne and Wear) North Tyneside (formerly part of Northumberland, then Tyne and Wear) Redcar and Cleveland (formerly part of Cleveland) Stockton-on-Tees (formerly part of Durham, then Cleveland) South Tyneside (formerly part of Durham, then Tyne and Wear) Sunderland (formerly part of Durham, then Tyne and Wear)