Rio Grande Valley – Travel guide at Wikivoyage
https://en.wikivoyage.org/wiki/Rio_Grande_Valley
WebThe Rio Grande Valley (informally called The Valley) is a region in Deep South Texas, which includes Cameron, Hidalgo, Starr, and Willacy counties. To the east this region is bordered by the Gulf Coast of Texas. To the south it is bordered by the Rio Grande River and the state of Tamaulipas, Mexico.
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