arrondissement of the department of the Lower Alps, in France, extending over 369 square miles. It is divided into six cantons and fifty-two communes, and contains 32,411 inhabitants. The capital is a town of the same name, situated on a plain through which the river Lay flows, and which yields wine, olive oil, and much silk. The latter is extensively spun there. It contains 2741 inhabitants. Long. 5. 46. E. Lat. 43. 58. N.