In Theologos Village is the world famous Butterfly Valley, which has great natural beauty and ecological interrest.
In the valley, during the summer, millions of butterflies take up the skies creating an incredible natural phenomenon.
Near the village, the ruins of the most important sancuarry of Ancient Ilisia, of the ancient temple of Erethimios Apollon (4th century bc) which was worshiped from the pre-dorik years as the patron of agriculture.