Tezontepec de Aldama is a town and one of the 84 municipalities of Hidalgo, in central-eastern Mexico. The municipality covers an area of 133.6 km² and, as of 2005, had a total population of 10,723. It was raised to municipal status in 1869. The name "Tezontepec" contains the Nahuatl words tetzontli (tezontle, a reddish volcanic rock) and tepetl (hill), while "de Aldama" commemorates Independence War hero Juan Aldama.