Capitals from the temple near the Roman Baths, Nimes, from 'Antiquites de la France: Vol I, Monuments de Nimes' (engraving). Nimes is a city in the Occitaine region of southern France, located between the Mediterranean Sea and the C?vennes mountains; dubbed the most Roman city outside Italy; the city has a rich history dating back to the Roman Empire where the city was a regional capital; often referred to as the French Rome.