Located north of Vroutsis village in Kato Meria, accessible only by hiking. Follow the trail and in about half an hour walk or more you'll reach the site.
Halfway you'll encounter the picturesque chapel of Saint John.
You'll see ruins of classical and hellenistic walls as well as architectural members. At the top of the hill is the chapel of Panagia Kastriani.
The site has a fantastic view to the Aegean.