Gdansk - a port city of northern Poland near the mouth of the Vistula River on a gulf of the Baltic Sea; a member of the Hanseatic League in the 14th centuryHanseatic League - a commercial and defensive confederation of free cities in northern Germany and surrounding areas; formed in the 13th century and most powerful in the 14th century city, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city" port - a place (seaport or airport) where people and merchandise can enter or leave a country |