Description The Prefecture of Serres will charm you with its natural sights. Where can we start...the immense fertile plain, the wetland of lake kerkini, the wetland of the former Delta of Strimon river, the forest of Lailias on the mountain chain of Vrondou, the deep precipitous ravine of the river Aggitis, etc. This is some of the many natural sights that you can enjoy with your visit to the Prefecture of Serres.