Originally posted by beet1e 
Diablo - your location says Coahuila. Is that the place just near Del Rio? 
 Depends on who you ask.
If you're a Mexican, Texas is just land that was taken unfairly and was known as part of the Mexican state of Coahuila thus Coahuila y Tejas.
If your a Texan, yes, it's the Mexican state south of Del Rio.