Arrondissements of the Loire-Atlantique department

The 3 arrondissements of the Loire-Atlantique department are:[1] In 1800 the arrondissements of Nantes, Ancenis, Châteaubriant, Paimbœuf and Savenay were established.

In 1868 Saint-Nazaire replaced Savenay as subprefecture.

The arrondissements of Ancenis and Paimbœuf were disbanded in 1926, and Ancenis was restored in 1943.

[2] The arrondissement of Châteaubriant-Ancenis was created in January 2017 from the former arrondissements of Châteaubriant and Ancenis and 4 communes from the arrondissement of Nantes.

[3]