Lannemezan is a commune of the Hautes-Pyrénées département in southwestern France. The commune is the lowest level of administrative division in the French Republic. Hautes-Pyrénées ( Occitan: Nauts Pirenèus / Hauts Pirenèus) is a department in southwestern France. In the context of the political and geographic organization of France and many of its former colonies a department (département depaʁtǝmɑ̃ is an Administrative division This article is about the country For a topic outline on this subject see List of basic France topics.