Lesignano de'Bagni is a comune located in the province of Siena within the Tuscany region of central Italy. It is situated in a landscape characterized by its proximity to the Val d'Orcia and the thermal springs of the area.
The town is primarily known for its natural thermal waters, which have been utilized since Roman times for balneotherapy and spa treatments. These mineral-rich springs are a defining characteristic of the local geography and contribute to the region's reputation as a destination for wellness and hydrotherapy.