Bath is the largest city in Somerset, England, known for its Roman-built baths and hot springs. The city became a spa in the 1st century AD under Roman rule and its baths and temple helped make it a popular destination. In the 17th century, Bath became established as a spa town and saw growth in the Georgian era as its architecture and social life developed. Today, Bath has a population of around 89,000 and its cultural attractions and universities have made it a major tourism destination, receiving over 1 million visitors annually.