Thermae be applied to those magnificent edifices which grew up under the empire, in place of the simple balneae of the republic, and which comprised within their range of buildings all the appurtenances belonging to the Greek gymnasia, as well as a regular establishment appropriated for bathing. Writers, however, use these terms without distinction. Thus the baths erected by Claudius Etruscus, the freedman of the Emperor Claudius, are styled by Statius "balnea", and by Martial "Etrusci thermulae". In an epigram by "Martial"—"subice balneum thermis"—the terms are not applied to the whole building, but to two different chambers in the same edifice.
Roman Thermae of Maximinus the entrance to the thermae, is the apodyterium (dressing spaces), with natatio (cold pools), before entering the palaestra (gymnasium) or frigidarium (cold baths) followed by tepidarium (warm baths) and caldarium (hot chambers), which were heated by the hypocaust (underground structures formed by arches or pillars, which allowed the circulation of hot air) from the praefurnium (furnace). The site has not yet been total excavated, resulting in a number of archaeological and temporal questions. Roman Thermae of Maximinus The Roman Thermae of Maximinus (), are the archaeological ruins of a monumental building and public baths, whose construction was integrated into the