Teesside the four independent unitary authority boroughs of Hartlepool, Stockton, Middlesbrough and Redcar and Cleveland (a renamed Langbaurgh). At this time they were returned to the counties of North Yorkshire and County Durham for ceremonial purposes, with Stockton-on-Tees becoming the only district in England split between two ceremonial counties. In 1998 the neighbouring Borough of Darlington also became an independent unitary authority and this along with the four former Cleveland boroughs form the sub-region of the Tees Valley which is used for statistical purposes and governmental organisation. The name Tees Valley is increasingly promoted for economic and cultural connections, though Teesside,
County Borough of Teesside county. The recommendations were accepted, with boundary adjustments, by the Government in October 1965. The main changes were to exclude most of Saltburn & Marske, and the extension of the boundary of the county borough southwards. Part of Preston-on-Tees was added to include Preston Hall, an art gallery and museum owned by Stockton Corporation within the county borough. In January 1967, Anthony Greenwood, Minister of Housing and Local Government, made the Teesside Order 1967 to carry the recommendations into effect. The new borough of Teesside was to combine the areas of: Following its passing by both Houses of Parliament, the