Coahuila

Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and state capital is the city of Saltillo; the second largest is Torreón and the third largest is Monclova (a former state capital); the fourth largest is Piedras Negras; and the fifth largest is Ciudad Acuña. Coahuila borders the Mexican states of Nuevo León to the east, Zacatecas to the south, and Durango and Chihuahua to the west.

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