Aquae Calidae, Bulgaria Aquae Calidae, Bulgaria Aquae Calidae (Latin for warm waters), also known as Therma and Thermopolis in the Middle Ages, was an ancient town in Thrace located in the territory of today's Bulgarian port city of Burgas. It was built around thermal baths using the hot springs and became one of the most important spa centres of ancient times. The site and baths of Aquae Calidae have been visited in the course of history by several important rulers from Philip II of Macedon to the Eastern Roman emperors Justinian I and Constantine IV, the Bulgarian ruler Terwel and the Ottoman Sultan
Sulis the similarly local pre-Hellenic deities in the local epithets that they assigned, associated with the cult of their Olympian pantheon at certain places (Zeus Molossos only at Dodona, for example). The Romans tended to lose sight of these specific locations, except in a few Etruscan cult inheritances and ideas like the "genius loci", the guardian spirit of a place. The gilt bronze cult statue of Sulis Minerva "appears to have been deliberately damaged" sometime in later Antiquity, perhaps by barbarian raiders, Christian zealots, or some other forces. About 130 curse tablets, mostly addressed to Sulis, have been found in the