The thermae were enlarged under Hadrian in the second century ADHist. Aug. Hadr. 19: Romae instauravit lavacrum Agrippae; cf. also a reference in CIL VI.9797 = AL 294 and later by the emperors Constantius and Constans in the fourth century AD. Sidonius Apollonaris mentions that the Baths of Agrippa were still being used in the fifth century.Regionary Catalogue (Reg. IX)
