BAR-SUR-AUBE, an arrondissement of the department of the Aube, in France, extending over 461 square miles, and comprehending four cantons and ninety-two communes, with 37,500 inhabitants. The chief place is the city of the same name, in a district the wine of which is highly valued. It contains 4100 inhabitants. Long. 4. 44. E. Lat. 48. 13. N.