Arrondissements of the Dordogne department
2017 : the arrondissements were modified, affecting 72 communes; 28 communes were moved from Périgueux to Nontron, 22 from Périgueux to Sarlat-la-Canéda, 21 from Bergerac to Périgueux and 1 from Bergerac to Sarlat-la-Canéda.