Santa Catarina is a Mexican city (and municipality) located in the Northeast region of the state of Guanajuato, within the Sierra Gorda range. The municipality has an area of 193.67 square kilometres (0.64% of the surface of the state) and is bordered to the north by Victoria and Xichú, to the east by the state of Querétaro, to the south by Tierra Blanca, to the west by Doctor Mora, and to the northwest by Victoria. The municipality had a population of 5,120 inhabitants according to the 2010 census. In pre-Hispanic times the area of what is today Santa Catarina was mostly inhabited by Chichimeca, Panes, and Tlaxcaltecs people.