One of the largest villages of the Municipality of Sikyonia, Kato Diminio, is located in the coastal zone, 2 km west of Kiato. The village is known for its beautiful beach and clear sea. The small pine forest that extends parallel to the village’s beach is known as Pefkias, and it is estimated that together with Pefkias of Xylokastro, they formed a large pine forest that covered the southern coasts of the Corinthian Gulf. It has about 1,100 inhabitants, many of whom are entrepreneurs mainly in the tourism sector. The rest are engaged in agriculture.