San Diego de la Unión is a Mexican city (and

municipality A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality' ...

) located in the Northwest region of the state of

Guanajuato Guanajuato, officially the Free and Sovereign State of Guanajuato, is one of the 32 states that make up the Political divisions of Mexico, Federal Entities of Mexico. It is divided into Municipalities of Guanajuato, 46 municipalities and its cap ...

. The municipality has an area of 990.17 square kilometres (3.26% of the surface of the state) and is bordered to the north by

San Luis Potosí San Luis Potosí, officially the Free and Sovereign State of San Luis Potosí, is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 59 municipalities and is named after its capital city, San Luis Potosí. It ...

, to the east by

San Luis de la Paz San Luis de la Paz is a city, and the surrounding municipalities of Mexico, municipality of the same name, located in the northeastern part of the state of Guanajuato in Mexico. San Luis de la Paz was founded on August 25, 1552, as a defensive tow ...

, to the south by

Dolores Hidalgo Dolores Hidalgo (; in full, Dolores Hidalgo Cuna de la Independencia Nacional, ) is the name of a city and the surrounding municipality in the north-central part of the Mexican state of Guanajuato. It is located at , at an elevation of about a ...

, and to the west by San Felipe. The municipality had 34,088 inhabitants according to the 2005 census. The municipality of San Diego was founded in 1719 under the name of Pueblo de Bizcocho. It received its present name of San Diego de la Unión after San Diego de Alcalá, the Patron saint of Franciscan lay brothers. The municipal president of San Diego de la Unión and its 236 outlying communities is Juan Carlos Castillo Cantero.

References

{{DEFAULTSORT:San Diego de la Union Populated places in Guanajuato Municipalities of Guanajuato Populated places established in 1719 1719 establishments in the Spanish Empire