[2] Its population is 911,155 (2021), and its area is 91.8 km2 (35.4 sq mi).

[3] The communes of the arrondissement of Nanterre, and their INSEE codes, are:[2] The arrondissement of Nanterre was created in 1964 as part of the department Seine.

[4] At the January 2017 reorganisation of the arrondissements of Hauts-de-Seine, it received two communes from the arrondissement of Boulogne-Billancourt.

[5] As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements.

In fact , the cantons of the arrondissement of Nanterre were, as of January 2015:[6]