Following their conquest of Istria, the Ancient Romans started intensive urbanization throughout the peninsula, building roads as well as numerous monumental edifices.
Having won the vehement fight with the native tribe of Histri in the 2nd century BC, Romans started introducing a new organization. The urbanisation of Istria started with building roads, aqueducts and numerous magnificent edifices from private villas to public buildings such as amphitheatres, temples and theatres . 300 antiquity sites have been found throughout Istria.