Herault , a S. department of France, in Languedoc, bordering on the Mediterranean, and on the departments of Gard, Aveyron, Tarn, and Aude; area, 2,3 93 sq. m.; pop. in 1872, 429,878. The surface is mountainous in the north, but in the south are plains, which slope to the sea. Between the mountains and the plains there runs from E. to W., through the entire length of the department, a band of stony earth which allows of no cultivation but that of the olive and the vine. The principal river is the Herault, which flows nearly S. through the department to the Mediterranean at Agde. There are several canals. The climate is dry and very warm, and, except near the marshes on the S. coast, healthy. Olives and grapes are the chief agricultural products. Excellent white and red wines are made. Brandies, cloths, woollens, silks, liqueurs, perfumes, paper, pottery, and candles are manufactured; there are mines of iron, copper, and coal, and marble quarries. It is divided into the arrondissements of Bezicrs, Lodeve, Mont-pellier, and St. Pons. Capital, Montpellier.