Bath is the largest city in the ceremonial county of Somerset, England, known for its Roman-built baths. In 2011, the population was 88,859. Bath is in the valley of the River Avon, 97 miles (156 km) west of London and 11 miles (18 km) south-east of Bristol. The city became a World Heritage site in 1987.
The city has software, publishing and service-oriented industries. Theatres, museums and other cultural and sporting venues have helped make it a major centre for tourism, with more than one million staying visitors and 3.8 million day visitors to the city each year.