an arrondissement in the department of the Aube, in France, extending over 539 square miles, or 344,850 acres, and containing four cantons, ninety-three communes, and in 1851, 36,364 inhabitants. The capital of the arrondissement is of the same name, and contained 2906 inhabitants. It has manufactures of cotton and of hosiery, and a considerable trade in corn by the river Aube, on the left bank of which it is situated. Long. 4. 14. E. Lat. 48. 40. N. Near this place Napoleon, on the 20th March 1814, defeated a division of the allied forces. See FRANCE.