Tula de Allende is a town and one of the 84 municipalities of Hidalgo in central-eastern Mexico. The municipality covers an area of 305.8 km2 (118.07 sq mi), and as of 2010, the municipality had a total population of 103,919. The municipality includes numerous smaller outlying towns, the largest of which are El Llano, San Marcos, and San Miguel Vindho. It is a regional economic center and one of Mexico's fastest growing cities. However, it is best known as the home of the Tula archeological site, noted for its Atlantean figures. Its built-up area made up of Atotonilco de Tula, Atitalaquia, Tlaxcoapan municipalities was home to 188,659 inhabitants at the 2010 census.

Hidalgo is a state in central Mexico divided into 84 municipalities. According to the 2020 Mexican census, Hidalgo is the 16th most populous state with 3,082,841 inhabitants and the 26th largest by land area spanning 20,813 square kilometres (8,036 sq mi).