The two crossword solutions for the term CITY OF SOUTHERN FRANCE are NICE (4 letters) and Nimes (5 letters). NICE is a city on the French Riviera in the Provence-Alpes-Côte d'Azur region of France. It is the fifth most populous city in France and is known for its beautiful beaches, mild climate, and vibrant culture. Nimes is a city in the Occitanie region of southern France. It is known for its Roman ruins, including the Arena of Nimes, which was built in the 1st century AD. It is also home to the Maison Carree, a temple from the same era.