Villaldama is a municipality in the state of Nuevo Leon, Mexico extending over 870.5 km². Ciudad Villaldama is its principal town and seat of government. It is located in the northern part of the state, coordinates 26º30´ N and 100º25´ W., with an elevation of 420 m above sea level. It limits to the north with the municipality of Lampazos de Naranjo and to the south with Salinas Victoria; to the east with Sabinas Hidalgo and the west with Bustamante.