The municipality of Tepeji del Río de Ocampo is one of the eighty-four municipalities that make up the state of Hidalgo in Mexico. Whose municipal seat is the town of Tepeji del Río de Ocampo. The municipality is located south of the Hidalgo territory between the parallels 19°46 'and 20°01' north latitude. The meridians 99°14 'and 99°29' west longitude. With an altitude between 2100 and 3000 meters above sea level, this municipality has an area of 353.43 km2, and represents 1.70% of the surface area of the state, within the geographical region known as Valle del Mezquital. It borders to the north with the state of Mexico and with the municipalities of Tula de Allende and Atotonilco de Tula.
To the east with the municipality of Atotonilco de Tula and the state of Mexico. To the south with the state of Mexico. To the west with the state of Mexico.