Found in a beautiful green environment at the foot of the mountain Koziakas and at an altitude of 280m above sea level, with around 1000 inhabitants, is the village of Diava. Diava is a municipality of Kalambaka, at a distance of around 3 kilometers. On the eastern side of the village you can find the river Pineios which seperates it from Kalambaka. The holiday village of Koromilia (1150m altitude) belongs to Diava. The old name of the village was Preventa meaning pass through. You can find at the village three beautiful post-byzantine churches, one dedicated to St. Paraskevi, one to St. Demetrios and the 3rd to St. Athanasios.