Basingstoke is a town in Hampshire, situated in south-central England across a valley at the source of the River Loddon on the western edge of the North Downs. It is the largest settlement in Hampshire without city status. It is located 30 miles (48 km) north-east of Southampton, 48 miles (77 km) south-west of London, 27 miles (43 km) west of Guildford, 22 miles (35 km) south of Reading and 20 miles (32 km) north-east of the county town and former capital Winchester. According to the 2021 population estimate, the town had a population of 107,642. It is part of the borough of Basingstoke and Deane and part of the parliamentary constituency of Basingstoke.