Evidence of presence of Homo erectus at 1 million years ago have been found in the cave of �andalja near Pula. Pottery from the Neolithic period (6000�2000 BC), indicating human settlement, have been found around Pula. In the Bronze Age (1800�1000 BC), a new type of settlement appeared in Istria, called 'gradine', or Hill-top fortificatations. Many late Bronze Age bone objects, such as tools for smoothing, for drilling, sewing needles, as well as bronze spiral pendants, have found in the area around Pula. The type of materials found in Bronze Age sites in Istria connects these with sites around the Danube. The inhabitants of Istria in the Bronze Age are known as Proto Illyrians.
The foundation of the settlement based on archaeological evidence dates to ca. the 10th century BC. Greek pottery and a part of a statue of Apollo have been found, attesting to the presence of the Greek culture.
Greek tradition attributed the foundation of Polai to the Colchians, mentioned in the context of the story of Jason and Medea, who had stolen the golden fleece. The Colchians, who had chased Jason into the northern Adriatic, were unable to catch him and ended up settling in a place they called Polai, signifying "city of refuge".
Ancient period
In classical antiquity, it was inhabited by the Histri, a Venetic or Illyrian tribe recorded by Strabo in the 1st century AD The Istrian peninsula was conquered by the Romans in 177 BC, starting a period of Romanization. The town was elevated to colonial rank between 46�45 BC as the tenth region of the Roman Empire, under Julius Caesar. During that time the town grew and had at its zenith a population of about 30,000. It became a significant Roman port with a large surrounding area under its jurisdiction. During the civil war of 42 BC of the triumvirate of Octavian, Mark Antony and Lepidus against Caesar's assassins Brutus and Cassius, the town took the side of Cassius, since the town had been founded by
