Stockton-on-Tees is a market town in north east England. It is the major settlement in the unitary authority and borough of Stockton-on-Tees. For ceremonial purposes, the borough is split between County Durham and North Yorkshire as it also incorporates a number of smaller towns including Billingham, Yarm and Thornaby. The wider borough has a population of 191,000 as of 2011 estimates.
Stockton began as an Anglo-Saxon settlement on high ground close to the northern bank of the River Tees.The manor of Stockton was created around 1138. It was purchased by Bishop Pudsey of Durham in 1189 and since then has undergone many changes.