L'Haÿ-les-Roses is a commune in the southern suburbs of Paris, France. It is located 8.5 km (5.3 mi) from the centre of Paris. L'Haÿ-les-Roses is a subprefecture of the Val-de-Marne département, being the seat of the Arrondissement of L'Haÿ-les-Roses. The current mayor, serving until 2026, is Vincent Jeanbrun, from the Republicans party.

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.