Texas Border City is a term used to describe cities located on the border of Texas and Mexico. Laredo is a 6 letter city located on the northern bank of the Rio Grande in South Texas. It is the county seat of Webb County and is the largest inland port in the United States. Del Rio is another 6 letter city located on the Mexican border in Val Verde County, Texas. It is known for its beautiful lake and riverfronts and is a popular tourist destination. El Paso is a 6 letter city located in far West Texas and is the sixth-largest city in the state. It is the largest international metroplex in the United States and is home to the University of Texas at El Paso.