St Albans is a cathedral city in Hertfordshire, England, east of Hemel Hempstead and west of Hatfield, 20 miles (32 km) north-west of London, 8 miles (13 km) south-west of Welwyn Garden City and 11 miles (18 km) south-east of Luton. St Albans was the first major town on the old Roman road of Watling Street for travellers heading north and became the city of Verulamium. It has a population of 82,146.