Seine city

PARIS

This capital is known as the "City of Light" and is home to the iconic Eiffel Tower along its famous river.

"Seine city" points directly to Paris because the Seine is the famous river running through the capital of France. The clue relies on basic geography—no wordplay or tricks here—just naming a well-known city by its defining waterway. If you think of major rivers in Europe, the Seine immediately ties to Paris, making it a straightforward answer.