Apaseo el Grande is a Mexican city (and municipality) located in the state of Guanajuato. The municipality has an area of 415.26 square kilometres (1.37% of the surface of the state) and is bordered to the north by Comonfort and San Miguel de Allende, to the east by the state of Querétaro, to the south by Apaseo el Alto, and to the west by Celaya.