Bath city walls the Romans, to surround their town (known then as "Aquae Sulis"), probably in the 3rd century. The Anglo-Saxons by the 10th century had established Bath as a fortified "burh" (borough), utilising the existing town walls, and maintaining Bath as a centre of regional power. Bath, located on the northern edge of the kingdom of Wessex, would have guarded against any attack from neighbouring Mercia, which was held by the Danes for a time. The height of the walls was increased on the orders of King Stephen during The Anarchy. Bath's medieval walls included four gates. The North and South Gates
Roman Dacia towns". Therefore, categorizing sites as small towns has largely focused on identifying sites that had some evidence of industry and trade, and not simply a basic agricultural economic unit that would almost exclusively produce goods for its own existence. Additional settlements along the principal route within Roman Dacia are mentioned in the "Tabula Peutingeriana". These include Brucla, Blandiana, Germisara, Petris, and Aquae. Both Germisara and Aquae were sites where natural thermal springs were accessible, and each are still functioning today. The locations of Brucla, Blandiana, and Petris are not known for certain. In the case of Petris however, there is