CHALKIDA
Χαλκίδα, Περιφέρεια Στερεάς Ελλάδας
The CHALKIDA wastewater treatment plant serves the city of Chalkida in Central Greece, with a population equivalent of 63,500. It is located near the Euripus Strait, a narrow channel connecting the Euboean Gulf to the South Euboean Gulf.