The city lies at the mouth of the Leie River (also called Lys River) into the Scheldt (a river flowing through France, Belgium and the Netherlands).

An excerpt from the article 44 facts about Ghent

The Leie has its origin in Lisbourg, France. In Ghent, Belgium, it flows into the Scheldt and has access to the North Sea via the Ghent-Terneuzen Canal.