Greek National Road 4 ( el, Εθνική Οδός 4, abbreviated as EO4) is a
single carriageway road in northern
Greece
Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
. It connects
Kozani with
Chalkidona, passing through
Veria.
{{coord, 40.4846, 22.1821, display=title
4
Roads in Western Macedonia
Roads in Central Macedonia