Aquae Calidae, Bulgaria well as from Kabyle, Mesambria (now Nessebar), Odessos, Histria, Tomis, Byzantium, Abdera, Maroneia and the islands of the Aegean, the oldest from Apollonia Pontica from the 5th century BC. The first baths at the Sanctuary of the Three Nymphs originated when the Roman Empire under Lucullus conquered the region, during the Third Mithridatic War in 72 BC. Under Trajan (98-117) nearby Anchialos became the administrative centre of the region and the baths were expanded and extended with two more swimming pools. During this time the Via Pontica was built connecting Constantinople via Deultum, Anchialos, Aquae Calidae with Dorostorum and Sexaginta
Aquae Albae in Byzacena Aquae Albae in Byzacena Aquae Albae in Byzacena (also typographed Aquæ Albæ in Byzacena) was an Ancient city and bishopric in Roman Africa and remains a Latin Catholic titular see. Its present location is Ain-Beida, in modern Tunisia (which has namesakes, notably in Algeria and Morocco). Aquae Albae was important enough in the Roman province of Byzacena to become one of the many suffragans of its capital Hadrumetum's Metropolitan Archbishop, but was to fade. The diocese was nominally restored in 1933 as a Latin Catholic titular bishopric. It has had the following incumbents, all of the lowest (episcopal) rank :