The Port of Constanța is located in Constanța, Romania, on the western coast of the Black Sea, 179 nautical miles from the Bosphorus Strait and 85 nmi from the Sulina Branch, through which the Danube river flows into the sea. It covers 3,926 ha, of which 1,313 ha is land and the rest, 2,613 ha, is water. The two breakwaters located northwards and southwards shelter the port, creating the safest conditions for port activities. The present length of the north breakwater is 8,344 m and the south breakwater is 5,560 m. The Port of Constanţa is the largest on the Black Sea and the fourth largest in Europe.
The favourable geographical position and the importance of the Port of Constanța is emphasized by the connection with two Pan-European transport corridors: Corridor VII - Danube (inland waterway) and Corridor IV (railway). The two satellite ports, Midia and Mangalia, located not far from Constanţa Port, are part of the Romanian maritime port system under the coordination of the Maritime Ports Administration SA.