Explore details about location Εθνική Οδός 18. Εθνική Οδός 18 is a location situated within the Δήμος Ηγουμενίτσας alongside other areas such as Διδασκάλου Μιχαήλ Λουκά, Εθνική Οδός 6, Λαδοχωρίου.