[2] Its population is 249,961 (2021), and its area is 2,245.3 km2 (866.9 sq mi).

[3] The communes of the arrondissement of Arras, and their INSEE codes, are:[2] The arrondissement of Arras was created in 1800.

[4] In January 2007 it lost the canton of Le Parcq to the arrondissement of Montreuil, and the two cantons of Avion and Rouvroy to the arrondissement of Lens.

[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.

The cantons of the arrondissement of Arras were, as of January 2015:[6]