San Diego de la Unión
San Diego de la Unión is a Mexican city ( and municipality ) located in the Northwest region of the state of Guanajuato . 
<triplet> San Diego de la Unión <subj> Guanajuato <obj> located in the administrative territorial entity <triplet> Mexican <subj> Guanajuato <obj> contains administrative territorial entity <triplet> municipality <subj> Mexican <obj> country <triplet> Guanajuato <subj> Mexican <obj> country