an arrondissement in the department of Vaucluse in France, extending over 500 square miles, or 380,000 acres. It is divided into four cantons, and those into fifty communes, containing 52,553 inhabitants.

a city, chief of the arrondissement of the same name in France, situated on the river Calavon. It has a cathedral, and the inhabitants amount to 5374, who find employment in making cotton and silk goods, in distilleries, china manufactories, and especially in extracting essences from lavender, thyme, and other plants. It is in long. 5. 17. 47. E. and lat. 43. 52. 29. N.