ORESTIADA
Ορεστιάδα, Περιφέρεια Ανατολικής Μακεδονίας και Θράκης
ORESTIADA wastewater treatment plant serves the city of Orestiada in Eastern Macedonia and Thrace, Greece, with a population of approximately 24,000. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC.