Daorson was the capital of a Hellenised Illyrian tribe called the Daorsi. The Daorsi lived in the valley of the Neretva River between 300 BC and 50 BC. The remnants of Daorson can be found at Ošanjići, near Stolac in Herzegovina.
The earliest reference to Daorson in written sources dates from the 5th century BC, as “Daorsioiethnos Thrakon”. During the civil war between Caesar and Pompey both Daorson town and part of Daorsan tribe were destroyed by the Illyrian Dalmatians (44 – 43 BC), the alliances of Pompeians. The lasting settlement never existed on the remains of Daorson town but close to it Romans had founded the new town of Dilluntum, present day Stolac from which along the “Adriatic road” the Roman road led to the Nevesinje Field and the main road to the Roman Province of Pannonia. The entrance to the archaeological site of Daorson is situated on the elevated observation point which is accessible either by car along the narrow mountainous road from Stolac or by foot along the steep tiny road from Radimlja.
The town of Daorson was discovered in 1891, and has never been fully investigated archaeologically. Located on Gradina and Banje in Ošanići village, Daorson Illyrian site consists of three interlinked entities the disposition of which is dictated by the lie of the land: the hillfort or acropolis (central section), terraces below the hillfort (to the south and south-east), and a residential and commercial area (east). The hillfort came into being on a prehistoric fortified settlement that had been in existence without interruption since the early to the late Bronze Age (respectively from the 17th/16th century BC to the 9th/8th century BCE). The settlement was probably destroyed in the 1st century BC, as evidenced by layers of ashes in the foundation of all the buildings discovered.