Apaseo el Alto is a Mexican city (and municipality) located in the state of Guanajuato. The municipality has an area of 491.81 square kilometres (1.6% of the surface of the state) and is bordered to the north by Apaseo el Grande, to the east by the state of Querataro, to the south by Jerécuaro and Tarimoro, and to the northwest by Celaya.