The oenologist in the speech-conversation which she edited presented the thirty special guests with the uniqueness of the historical Thira vineyard. After a brief reference to historical events that shook the island, such as the volcano eruption circa 1630 BC, she analyzed the geography of Santorini and its vineyard. The history of the Santorini vineyard counts over 3,500 years and has a unique in the world terroir with many peculiarities. Throughout its length there are vineyards, most of them located in the central and southern part of the island where from the PDO Santorini wines come ( 'Protected Designation of Origin ") - (" Nykteri', 'Vinsanto').