HOLIDAY CHALETS AND HOMES ARIEGE, FRANCE | French Property For Sale| Ariege chalets & houses to buy. Search the Buy-in-France property directory for Ariegechalets, cottages, villas and houses real estate listings. Ariège is a department in southwestern France named after the Ariège River. The department is part of the Midi-Pyrénées region and is surrounded by the French departments of Haute-Garonne, Aude, and Pyrénées-Orientales, as well as Spain and Andorra on the south. The department is dominated by the Pyrenees mountains, which form the border between France and Spain. The mountain range forms a fantastic backdrop to the entire Ariège Department, rising to some 10,000 feet.