page_title: Zadar
section_title: Antiquity
hierarchical_section_title: Zadar / History / Antiquity
caption_attribution_description: English: Territory of the Iron Age Liburnians in period of the Roman conquest (1st century BC - 1st century AD), based on source: S. Čače, Broj liburnskih općina i vjerodostojnost Plinija(Nat. hist. 3, 130; 139-141), Radovi Filozofskog fakulteta u Zadru, 32, Zadar 1993., pages 1-36
context_page_description: Zadar is the oldest continuously-inhabited Croatian city. It is situated on the Adriatic Sea, at the northwestern part of Ravni Kotari region. Zadar serves as the seat of Zadar County and of the wider northern Dalmatian region. The city proper covers 25 km² with a population of 75,082 in 2011, making it the second-largest city of the region of Dalmatia and the fifth-largest city in the country.
  The area of present-day Zadar traces its earliest evidence of human life from the late Stone Age, while numerous settlements date as early as the Neolithic. Before the Illyrians, an ancient Mediterranean people of an Indo-European culture inhabited the area. Zadar traces its origin to its 9th-century BC founding as a settlement of the Illyrian tribe of Liburnians known as Iader.
  In 59 BC it was renamed Iadera when it became a Roman municipium. In 48 BC it became a Roman colonia. During Roman rule Zadar acquired the characteristics of a traditional Ancient Roman city with a regular road network, a public square, and an elevated capitolium with a temple.
context_section_description: The Liburnians, an Illyrian tribe, were known as great sailors and merchants, but also had a reputation for piracy in the later years. By the 7th century BC, Zadar had become an important centre for their trading activities with the Phoenicians, Etruscans, Ancient Greeks and other Mediterranean peoples. Its population at that time is estimated at 2,000. From the 9th to the 6th century there was certain cultural unity in the Adriatic Sea, with the general Liburninan seal, whose naval supremacy meant both political and economical authority through several centuries. Due to its geographical position, Zadar developed into a main seat of the Liburnian thalassocracy and took a leading role in the Liburnian tetradekapolis, an organization of 14 communes.
  The people of Zadar, Iadasinoi, were first mentioned in 384 BC as the allies of the natives of Hvar and the leaders of an eastern Adriatic coast coalition in the fight against the Greek colonizers. An expedition of 10,000 men in 300 ships sailed out from Zadar and laid siege to the Greek colony Pharos in the island of Hvar, but the Syracusan fleet of Dionysus was alerted and attacked the siege fleet. The naval victory went to the Greeks which allowed them relatively safer further colonization in the southern Adriatic.
  The archaeological remains have shown that the main centres of Liburnian territorial units or municipalities were already urbanized in the last centuries BC; before the Roman conquest, Zadar held a territory of more than 600 km² (230 sq mi) in the 2nd century BC.
  In the middle of the 2nd century BC, the Romans began to gradually invade the region. Although being first Roman enemies in the Adriatic Sea, the Liburnians, mostly stood aside in more than 230 years of Roman wars with the Illyrians, to protect their naval and trade connections in the sea. In 59 BC Illyricum was assigned as a provincia (zone of responsibility) to Julius Caesar and Liburnian Iadera became a Roman municipium.
  The Liburnian naval force was dragged into the Roman civil war between Julius Caesar and Pompey in 49 BC, partially by force, partially because of the local interests of the participants, the Liburnian cities. Caesar was supported by the urban Liburnian centres, like Iader (Zadar), Aenona (Nin) and Curicum (Krk), while the city of Issa (Vis) and the rest of the Liburnians gave their support to Pompey. In 49 BC near the island of Krk, the "Navy of Zadar", equipped by the fleets of a few Liburnian cities and supported by some Roman ships, lost an important naval battle against Pompey supporting the "Liburnian navy". The civil war was prolonged until the end of 48 BC, when Caesar rewarded his supporters in Liburnian Iader and Dalmatian Salona, by giving the status of the Roman colonies to their communities. Thus the city was granted the title colonia Iulia Iader, after its founder, and in the next period some of the Roman colonists (mostly legionary veterans) settled there.
  The real establishment of the Roman province of Illyricum occurred not earlier than 33 BC and Octavian's military campaign in Illyria and Liburnia, when the Liburnians finally lost their naval independence and their galleys and sailors were incorporated into the Roman naval fleets.
  From the early days of Roman rule, Zadar gained its Roman urban character and developed into one of the most flourishing centres on the eastern Adriatic coast, a state of affairs which lasted for several hundred years. The town was organised according to the typical Roman street system with a rectangular street plan, a forum, thermae, a sewage and water supply system that came from lake Vrana, by way of a 40 kilometres (25 miles) long aqueduct. It did not play a significant role in the Roman administration of Dalmatia, although the archaeological finds tell us about a significant growth of economy and culture.
  Christianity did not bypass the Roman province of Dalmatia. Already by the end of the 3rd century Zadar had its own bishop and founding of its Christian community took place; a new religious centre was built north of the forum together
caption: Zadar (Iader) and the other cities of the Liburnian tetradecapolis in the age of the Roman conquest
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