The site of Olbasa was first identified by the discovery of two Latin imperial inscriptions near the modern village of Belenli in 1842 and even today the surviving evidence from Olbasa (including as it does both texts and coins) still belongs chiefly to the imperial period. Olbasa's prominence then stemmed from the fact that it was “refounded” by Augustus as a military colony. Very little has been pieced together of the history and development of the city prior to the arrival of the Romans and the present inscription, therefore, represents a large advance on our knowledge of Olbasa in the Hellenistic period as well as contributing to our understanding of developments in the region at large.
Modern research on the area of south-western Asia Minor now known as Lycia and Pisidia has been greatly assisted by the work of George Bean and Alan Hall both of whom published major articles containing topographical discussions and many previously unknown inscriptions. The Pisidian Survey Project led by Stephen Mitchell has also contributed greatly to our historical understanding of the region in both the Hellenistic and Roman periods by the archaeological studies conducted at the cities of Antioch by Pisidia, Sagalassos, Cremna and Ariassos.