It is a typical sample of a stone-built school (with joints and wooden hipped roof), built in 1931 when Minister of Education was George Papandreou, and is directly connected to the memories of local people. The historic building of the former elementary school has become a folklore museum and to a museum that hosts the story of the family Papandreou. It is located at the highest point of the village. It consists of two separate buildings (of different size) which are connected together by semi-open space and outdoor courtyard. The site works like theater during summer. The buildings have undergone some changes. ancient Tritaia The ancient Achaean city Tritaia was one of the 12 cities built by the Ionians in the northern Peloponnese and was near to the modern village of Ag. Marina.