The project concerns the replacement of the internal water supply network of the city of Kastoria, the capital of the municipality of Kastoria, the Regional Unit of Kastoria, in the Region of Western Macedonia. The project includes the construction work for the replacement of all pipes of the inner water supply network of the city of Kastoria and the addition of two new water tanks next to the existing ones. A modern control system for the water supply network is also installed. The work will be monitored by an archaeologist for the possibility of revealing findings of archaeological interest during the excavations.