The 3 arrondissements of the Sarthe department are:
In 1800 the arrondissements of Le Mans, La Flèche, Mamers and Saint-Calais were established. The arrondissement of Saint-Calais was disbanded in 1926. In February 2006 the arrondissement of Le Mans lost the five cantons of La Chartre-sur-le-Loir, Château-du-Loir, Le Grand-Lucé, Loué and La Suze-sur-Sarthe to the arrondissement of La Flèche, and the six cantons of Bouloire, Conlie, Montfort-le-Gesnois, Saint-Calais, Sillé-le-Guillaume and Vibraye to the arrondissement of Mamers. In August 2012 the commune Champagné passed from the arrondissement of Mamers to the arrondissement of Le Mans, and the communes Beaufay, Courcemont and Savigné-l'ÃÂvêque passed from the arrondissement of Le Mans to the arrondissement of Mamers.