Salamanca is a city and municipality in the Mexican state of Guanajuato. The city was founded on January 1, 1603, as 'Villa de Salamanca' by the Viceroy Gaspar de Zúñiga, fifth Count of Monterrey, who was originally from Salamanca. From Wikipedia
Guanajuato state sees a surge in violence as rival cartels battle for control, leaving bodies with messages of intimidation.