Explore details about location Παλαιά Εθνική Οδός Θεσσαλονίκης-Κιλκίς. Παλαιά Εθνική Οδός Θεσσαλονίκης-Κιλκίς is a location situated within the Δήμος Κιλκίς alongside other areas such as Δημητράκου, Λέκκα, Πολυτεχνείου.