Nogent-sur-Marne is a commune in the eastern suburbs of Paris, France. It is located 10.6 km (6.6 mi) from the centre of Paris. Nogent-sur-Marne is a sous-préfecture of the Val-de-Marne département, being the seat of the Arrondissement of Nogent-sur-Marne.

Val-de-Marne is a department of France located in the Île-de-France region. Named after the river Marne, it is situated in the Grand Paris metropolis to the southeast of the City of Paris. In 2019, Val-de-Marne had a population of 1,407,124.