Couiza (; ) is a commune in the Aude department in southern France. Couiza is located at the foothills of the Pyrenees, on the road between Limoux, going towards Carcassonne and Quillan, going towards Perpignan. Couiza, in the upper valley of the Aude, is at the foot of the hill leading to Rennes-le-Château. Population Sights The Château de Couiza, a 16th-century castle, was built by the Dukes of Joyeuse and is now a hotel and restaurant (Les Ducs de Joyeuse). There is also a good tourist office, another restaurant, two patisseries and a post office. There is also a church in Couiza dedicated to St. Jean the Baptist. The area around Couiza is rich in historic and geographic interest. Transportation The railway line from Carcassonne runs here stopping in Limoux and Espéraza on the way but the service is limited. Leaving Couiza the main road (D117) leads to Perpignan. Down to Barcelona or up to Narbonne and the TGV lines across the South of France. See also Communes of the Aude department References External links Official website for Couiza (in French) Activities in and around Couiza, plus holiday accommodation Communes of Aude Aude communes articles needing translation from French Wikipedia