France.
The Seine river runs only in France. See link for map.
The river that separates them is the Seine River.
The Seine RiverThe River Seine.
The Seine River flows through France, though it may seem big enough to flow through many countries, it does only flow through the one and only France.
Paris, France is located on the banks of the world famous River Seine. Its banks are a World Heritage site.
river seine
The River Seine
The seine river
The Seine is the second longest river in France. It rises 18 miles northwest of Dijon and flows in a northwesterly direction through Paris before it empties into the English Channel at Le Havre.
The River Seine is in France.
The name "Seine" comes from the Gallic Sicauna, or sacred river, which was Latinized as Sequana.