The Borough of Guildford is a local government district with borough status in Surrey, England. With around half of the borough's population, Guildford is its largest settlement and only town, and is where the council is based.

Guildford is a town in west Surrey, England, around 27 mi (43 km) south-west of central London. As of the 2011 census, the town has a population of about 77,000 and is the seat of the wider Borough of Guildford, which had around 145,673 inhabitants in mid-2022 est. The name "Guildford" is thought to derive from a crossing of the River Wey, a tributary of the River Thames that flows through the town centre.