The Port of Thessaloniki (Greek: Λιμάνι της Θεσσαλονίκης) is one of the largest Greek seaports and one of the largest ports in the Aegean Sea basin, with a total annual traffic capacity of 16 million tonnes (7 million tonnes dry bulk and 9 million tonnes liquid bulk). As a free port, it also functions as a major gateway for the Balkan hinterland and southeastern Europe.
The Port of Thessaloniki also contains the second largest container port in Greece, after the Port of Piraeus.