Bourg-en-Bresse, a town of France, in the department of Ain, chief town of department, arrondissement, and canton, on the left bank of the Reyssouse, thirty-seven miles north-east of Lyons, and about 200 miles south-east of Paris. The town is well-built and laid out, and has a fine church, in which are monuments to General Joubert and to Bichat the great anatomist. Lalande, the astronomer, was born here, as was also Michaud, the historian. Outside the walls is the fine Gothic church of our Lady of Brou. There are here manufactories of earthenware, pottery, and jewels; and a trade in corn, wine, horses, cattle, and the famous poultry of the place.