There is no exact written date of the arrival of the first inhabitants of Kladas from nearby villages such as Vamvakou, Voutianoi, Kalivia, Vresthena and from the town of Sparta.

Kladas has also a car station and a factory which packs products that come from the olives but there aren't any commercial stores.

Another aspect of the eco-lifestyle is the fact that people use bicycles for their own transportation so not only they gain a clean place to live concerning the air quality but also there is no noise caused by automobiles.

Finally, there is a recycling point outside the elementary school of Kladas The village has been modernized in aspects like: The climate of Kladas is temperate Mediterranean and this is also a result of the geological factors such as the elevation (240 meters) but also the fact that the village is situated between mountain Parnonas and mountain Taygetos.

Also there is a hill that belongs to the region of Kladas where is situated the Technological Educational Institute of Sparti (Greek: Τ.Ε.Ι.