The crossword solution for the term CITY IN NORTHERN FRANCE is Lille, a five-letter word. Lille is a city in northern France, located near the border with Belgium. It is the capital of the Hauts-de-France region and the prefecture of the Nord department. Lille is known for its Flemish culture, its architecture, and its vibrant nightlife. It is also home to several universities and is an important economic center in the region.