The beautiful Thisvi with its elegant style has been mentioned even by Homer. The tower that has survived on a hill on the southern and northern side of Thisvi, as well as the foundations of the wall, prove the existence of the ancient city.
Thisvi was one of the most prosperous cities of Viotia throughout history. Trade flourished in Thisviand advanced through the present-day bays of Vathi and Agios Ioannis, which were used as ports and became important commercial centres, as well as fortresses for the safety and movement of goods and the control of the Corinthian Gulf.
After the abandonment of ancient Thisvi, a settlement was created which was called Kakoshi, meaning bad Saint, a name of interesting origin. Between the two hills of ancient Thisvi there was a monk who was very much appreciated by the inhabitants, so they called him Osios, meaning Saint. One day they discovered that the monk was responsible for all the thefts that had taken place. The inhabitants kicked him out and the place where he practiced was called the “Kakosion”.
Agios Ioannis Beach
Agios Ioannis is a small, emerald cove in the region of Thisvi. It is easily accessible by car, as the road is paved and is about 6km from Thisvi and Domvrena(these two villages are adjacent). Visitors will come across picturesque small houses belonging to fishermen of Domvrena, whilst during the summer season the picturesque bay welcomes holidaymakers.
The sea of Agios Ioannis has a very interesting seabed, crystal clear waters and is ideal for underwater fishing, it is a favourite destination for snorkelers.
The history of the bay is quite interesting, since Agios Ioannis was a port with great commercial traffic, as many goods were transported from there to Piraeus, the Peloponnese and the Ionian Islands, with the big boats the people of Domvrena used to own. There was a customs office there which was abolished in 1948. Further west of Agios Ioannis there is the picturesque cove “Vathi”, where several families of the area used to spend their holidays.