Belgae Britain after participating in Vercingetorix's rebellion and either joined or established a British branch of his tribe. Based on the development of imagery on coins, by the time of the Roman conquest, some of the tribes of south-eastern Britain likely were ruled by a Belgic nobility and were culturally influenced by them. The later "civitas" (administrative division) of Roman Britain had towns including "Portus Adurni" (Portchester), and "Clausentum" (Southampton). The "civitas" capital was at "Venta Belgarum" (Winchester), which was built on top of an Iron Age "oppidum" (which was itself built on the site of two earlier abandoned hillforts), which
Charterhouse Roman Town lead to the Romans. It measures 32m x 24.4m and the banks for the seating survive 4.5m above the arena. It was surveyed in 1909. It was probably a place of entertainment for the soldiers at the Roman fort which was established here. Charterhouse Roman Town Charterhouse Roman Town was a town in the Roman province of Britannia. Its site is located just to the west of the village of Charterhouse-on-Mendip in the English county of Somerset. Its Latin name may have been Iscalis, but this is far from certain. Based on inscriptions on a pig of Roman lead BRIT.