Borough of Stockton-on-Tees

The Borough of Stockton-on-Tees is a unitary authority area in England with borough status in County Durham and North Yorkshire. In 2021, it had a population of 196,600. Its main settlement and namesake of the borough is Stockton-on-Tees, which lies on the north bank of the River Tees, along with the towns of Billingham and Norton-on-Tees, in County Durham. It also includes the towns of Ingleby Barwick, Thornaby-on-Tees and Yarm, all south of the Tees, in North Yorkshire. The borough locally governed by Stockton-on-Tees Borough Council. The borough forms part of the Tees Valley together with four other nearby boroughs (Darlington, Middlesbrough, Redcar and Cleveland, and Hartlepool).

All bridges spanning the River Tees are partially within the borough, including the Yarm Viaduct and the Tees Transporter Bridge, with the Middlesbrough to the south downstream on the other side to the east of the borough.

Teesside International Airport is shared between the borough and the Darlington.