Most of those springs are located at the original Spa towns and sanitaria of Ancient Greece, where people of the ancient world traveled to, for the medical benefits, constituting this, as an early form of medical tourism model. 

The art of hydrotherapy has been practiced in Greece for more than 2500 years and almost all the archeological monuments of ancient Greek, Roman, Byzantine and Ottoman empires, located in the Greek region, are in, or next to thermal springs and are used to improve physical and mental human health.

The natural vents of hot and cold mineral water, the regions with clay and peat next to lakes and rivers, mountains, beaches and plains, testify a rich aquatic thermal potential in different environments of Greek geographical space.