In the heart of Macedonia, at the northwestern edge of the prefecture of Serres and in the bosom of the fertile valley of the river Strimonas, lies the municipality of Irakleia. It is surrounded by the municipalities of Serres and Sintiki and by the neighbouring prefectures of Thessaloniki and Kilkis, while it is 15 and 65 km far from the urban centers of Serres and Thessaloniki and only 20 km from the borders with Bulgaria. It is characterized by the intense lowland landscape with the diverse cultivated land, but also by the unique in beauty and environmental value of the Lake Kerkini. It is also surrounded by the mountainous volumes of Kroussia and Vertiskos (with the municipal forests of Lithotopos, Strimoniko and Kalokastro). Following the latest changes in the country’s administrative structure, the municipality of Irakleia includes 21 communities, each of which has its own historical and cultural route and maintains its own traditional and customary color, creating a framework of fruitful multicultural exchanges.
According to the census of the Hellenic Statistical Authority in 2011, the municipality of Irakleia has a permanent population of 21.400 inhabitants and an area of 448.790 acres, of which 44% consists of agricultural land and 18% forest.
The municipality of Irakleia was formed by the merger of the three pre-existing Kapodistrian municipalities of Irakleia, Skotoussa and Strymonikos. Τhe local communities of Valteros, Dasochori (with the settlement of Psomotopi), Karperi, Koimisi, Lithotopos, Limnochori, Pontismeno (with the settlement Simonas), Chrisochorafa, Skotoussa, Ammoudia, Gefiroudi, Melenikitsi, Nea Tiroloi, Paleokastro, Strimoniko, Zevgolatio, Kalokastro (with the settlement of Kefalochori), Livadochori (with the settlement of Variko), Triada and Chimarros belong to the municipality. The seat of the municipality is the municipal community of Irakleia.