Paris La Défense Arena is a multi-purpose indoor arena in Nanterre, a western suburb of Paris. Opened in October 2017, it was developed by the rugby union club Racing 92, and replaced Stade Olympique Yves-du-Manoir as their home field. It is one of the two multi-purpose indoor arena to be built in Europe, along with Telenor Arena and is Europe's largest indoor arena. Its naming rights are held by Paris La Défense, the management company of the nearby La Défense business district.

Nanterre is the prefecture of the Hauts-de-Seine department in the western suburbs of Paris, France. It is located some 11 km (6.8 mi) northwest of the centre of Paris. In 2018, the commune had a population of 96,807.