The oldest fortress of Georgia – the Gonio Fortress (or the Gonio-Apsaros Fortress) occupying the territory of 4,5 ha is situated in village of Gonio in Adjara, 15 km from Batumi city. The fortress history amounts to several millenniums. The ancient archeological layers, dug in the fortress territory belong to the XV-XVII centuries BC. There exists a legend that the name of Apsaros originates from the ancient Greek myth about Argonauts. According to the legend this was the place where Apsyrtus, King Aet’s son killed by Jason, was buried.