Reims is the most populous city in the Marne department, in the Grand Est region of France. Its population in 2013 was of 182,592 in the city proper (commune) and 317,611 in the metropolitan area making Reims the most populated sub-prefecture in France.The city lies 129 km (80 mi) east-northeast of Paris. Its primary river, the Vesle, is a tributary of the Aisne.
