Aquae Calidae, Bulgaria Prista on the Danube. Near the baths a road station (statio milliaria) was created with the name Aquae Calidae. The Sanctuary of the Three Nymphs continued to exist next to the station and the Baths, and became known as the Nymphaeum of Anchialos. Under Septimius Severus in 209-211 three years of games and celebrations under the name of Severia Nymphaea took place in the baths. Games also took place in Aquae Calidae under the emperors Geta and Caracalla. Jordanes, who lived in the 6th century, described in his work Getica the incursions of Gothic tribes on the southern Black Sea
Christianity in Roman Britain introduced Roman counterparts were venerated in the region, sometimes syncretising together, as in cases like Apollo-Cunomaglus and Sulis-Minerva. Romano-British temples were sometimes erected at locations that had earlier been cultic sites in the pre-Roman Iron Age. A new style of "Romano-Celtic temple" developed which was influenced by both Iron Age and imperial Roman architectural styles but also unique from both; buildings in this style remained in use until the fourth century. The cults of various eastern deities had also been introduced to Roman Britain, among them those of the deities Isis, Mithras, and Cybele; Christianity was just one of these