In Nea Fokea, near distance from Siviri, you will find an interest site to visit. The Byzantine Tower of Nea Fokea.
A remarkable old Byzantine fortress which was build in 1407 and the sanctification of Apostle Paul, a passage opened through the rock and ending into an underground chamber, which are composing the historical indetity of Nea Fokea.
It is worth to visit the remains of the castle which the rebellious islanders barricaded themselves inside of in 1821.
The church of the Taxiarches founded in 1591, which is dependent on the Mount Athos and the Monastery of Dochiarion are very important sightseeing.
Distance from Siviri to Byzantine Tower of Nea Fokea is about 17 km