Middlesbrough ( ) is a large industrial town on the south bank of the River Tees in North Yorkshire, England. The local council, a unitary authority, is Middlesbrough Borough Council. In 2011 it had a total resident population of 138,400 for the borough and 174,700 for the wider Middlesbrough built-up area subdivision, which itself is part of the larger built-up area of Teesside and had an overall population of 376,333 at the 2011 census.