The 4 arrondissements of the Somme department are:[1] In 1800 the arrondissements of Amiens, Abbeville, Doullens, Montdidier and Péronne were established.
The arrondissement of Doullens was disbanded in 1926.
[2] In January 2009 the canton of Oisemont passed from the arrondissement of Amiens to the arrondissement of Abbeville.
[2] The borders of the arrondissements of Somme were modified in January 2017:[3]