Why is Paris called the City of Light?

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Paris; Eiffel Tower — Paris View of the Paris skyline from Montparnasse.

The nickname "City of Light" (la Ville Lumière) for Paris is attributed to two primary factors.1

First, the title reflects the city's historical role as a center of education and intellectual advancement, particularly during the Enlightenment in the 17th and 18th centuries. As a hub for universities and thinkers, Paris served as a metaphorical beacon of knowledge and progress.1

Second, the name has a literal origin rooted in the city's pioneering adoption of urban lighting. Paris was among the first European cities to implement street lighting, transitioning from candlelit lanterns to gas lamps and eventually electric lights. These innovations significantly enhanced the city's beauty while improving public safety and nightlife.12