Teesside was, from 1968 to 1974, a local government district in northern England. It comprised a conurbation that spanned both sides of the River Tees from which it took its name. Teesside had the status of a county borough and was independent of the county councils of the North Riding of Yorkshire, and County Durham. The Lord Lieutenant of the North Riding of Yorkshire represented the whole of Teesside, including those areas north of the Tees which were in Durham.