Palairos Greece StereaPalairos ( Greece ) is an ancient city and a modern seaside community Sterea, located 104 km from Messolonghi and 358 from Athens. It is very busy in the summer and has a modern harbor which hosts numerous sailboats and boats for day cruises which to the surrounding islands of the Ionian Sea. Palairos has great sandy beaches, many hotels, and campsites. The most important preserved ruins are in the Archaeological Site of Sterna, in several ancient villages in the surrounding area. The castle from the Ancient Town, the Venetian Castle in Plagia, and the monasteries and old churches are also worth visiting.