Bath is a small city in Bath and North East Somerset, United Kingdom most famous for its historic baths fed by three hot springs. It is situated 99 miles (159 km) west of London and 13 miles (21 km) south east of Bristol. The city is founded around the only naturally occurring hot springs in the United Kingdom. It was first documented as a Roman spa, although tradition suggests that it was founded earlier. The waters from its spring were believed to be a cure for many afflictions. From Elizabethan to Georgian times it was a resort city for the wealthy. As a result of its popularity during the latter period, the city contains many fine examples of Georgian architecture, most notably the Royal Crescent. The city has a population of over 90,144 and is a World Heritage Site.