Article 54 - Civitas (city)
A Civitas is the name given under Roman Law to a city or city - state recognized as possessing a civil agreement (concilium) and a social body of administration (cives) and free from tribute to Rome.
Within a Civitas (city), there were usually one (1) or more neighborhoods known as vicus (or vici plural). The city of Rome possessed no fewer than two hundred sixty five (265) Vici aggregated into fourteen (14) regions (regiones) by the 1st Century BCE.
The primary Civitas under Roman Law was Rome itself. The other Civitas, also known as “civitates foederatae” were limited and included but not limited to Neapolis (Naples), Messina and Reggio (Sicily), Persepolis and Babylon (Persia), Tarsus in Turkey and Jerusalem in Palestine.