Le, an arrondissement of the department of the Sarthe, in France, extending over 845 square miles, and divided into ten cantons and 128 communes, with 140,500 inhabitants. The capital is the city of the same name, situated on the river Sarthe. It is one of the few cities of France which have increased considerably since the commencement of the revolution. The new part is well built, and there is a fine old Gothic cathedral. It contains 3230 houses, and 18,550 inhabitants, mostly employed in manufactures. It is remarkable for the wax candles made there; for thin woollen goods, especially buntings, serges, and druggets; for coarse hempen cloth for packing; for lace, paper, hosiery, and blankets. Long. 0° 3' 16" W. Lat. 48° 9' 35" N.