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GeoFacts for Spring Valley Village, TX. Spring Valley Village, TX, is a city located in the eastern part of Texas.
Website: Handbook of Texas: Rio Grande Valley. The Rio Grande Valley (RGV), informally called The Valley, is an area located in the southernmost tip of South Texas. It lies along the northern bank of the Rio Grande river, which separates Mexico from the United States. This four-county region is one of the fastest growing places in all of the United States.