The project concerns the preparation of the maturation studies and the preparation of the tender documents for the construction of the waste treatment plant of the Eastern Sector of the Region of Central Macedonia that will serve the municipalities of Kalamaria, Pylaia-Hortiati, Thermaikos, Thermi and Thessaloniki (40 %) of the Regional Unity (Nomos) of Thessaloniki, as well as the whole of the Municipalities of the Regional Unity of Chalkiki (Halkidiki). The project is part of the Regional Plan for Solid Waste Management (PESDA) of Central Macedonia.