Coahuilaball

Coahuila, formally Coahuila de Zaragoza officially Free and Sovereign State of Coahuila de Zaragoza "  "Estado Libre y Soberano de Coahuila de Zaragoza", is one of the 31 states which, along with the Federal District, compose the 32 Federal Entities of Mexico. The state is located in Northeastern Mexico on the US border.

Coahuila borders the Mexican states of Nuevo León to the east, Zacatecas and San Luis Potosí to the south, and Durango and Chihuahua to the west. To the north, Coahuila accounts for a 512 kilometres stretch of the Mexico–United States border, adjacent to the U.S. state of Texas along the course of the Rio Grande. With an area of 151,563 square kilometres, it is the nation's third-largest state. It comprises 38 municipalities. In 2010, Coahuila's population is 2,748,391 inhabitants.The capital of Coahuila and the largest city is Saltillo.