Concealed in part by later deposits, this ancient mountain chain extends from Castelnaudary to the neighbourhood of Valence, where it sinks suddenly beneath the Tertiary and recent deposits of the valley of the Rhone.
The only great noble who rose was Henri, duc de Montmorenci, governor of Languedoc, and his defeat at Castelnaudary on the 1st of September 1632 was followed by his speedy trial by the parlement of Toulouse, and by his execution.
The capital is Carcassonne, and the department is divided into the four arrondissements of Carcassonne, Limoux, Narbonne and Castelnaudary, with 31 cantons and 439 communes.
Carcassonne, Narbonne and Castelnaudary are the principal towns.
ANTOINE-FRANCOIS, COUNT ANDREOSSY (1761-1828), French soldier and diplomatist, was born at Castelnaudary, in Languedoc, on the 6th of March 1761.