The most interesting story of the castle is that it was used as a marketplace in osmalida, which did not have a castle culture, during the Ottoman protection.

Gonyo Castle / Gonio Castle is a Roman period castle at the mouth of the Coruh River in the Khelvaçavuri district, 15 kilometers south of Batumi. The village of the same name is also 4 km from the Turkish border. Away.

Gonio castle, Plinius Secundus dömenide It was made in the 1st century. In the 2nd century it became a Roman city. Later, it remained under Byzantine rule. In 1547, it passed to the Ottoman rule. With the Treaty of St. Stephen of 1878, together with the Adjara region, it joined Georgia, which was part of the Russian empire at that time.

The tomb of St. Matthias, one of the Twelve Apostles, is believed to be in the castle of Gonio. For this reason, the Georgian government has banned the excavation around the graves. However, archaeological excavations are underway in the castle, focusing especially on the Roman period.

Gonio has been experiencing a tourism boom recently. Tourists spend the summer months on 15 kilometers of beaches that stretch as far as the coast of Batumi.