Southampton is a port city and unitary authority located in Hampshire, England. It is situated approximately 80 miles (130 km) southwest of London, 20 miles (32 km) west of Portsmouth, and 20 miles (32 km) southeast of Salisbury.
As one of the most populous cities in southern England, Southampton had a recorded population of 248,920 during the 2021 census. The city serves as a significant maritime hub within the region.