Rome began to extend Urbanization Campaign since the mid 2nd century BC. In the Roman Empire , city system had been made further improvements, which was reflected on the constant development and booming of all provincial cities.

• 罗马自从公元前2世纪中叶开始推广城市化运动，到帝国时期，城市体制进一步完善，集中地反映在各行省城市的不断发展和繁荣之中。