| Gregg County Texas Cities/Towns - Clarksville City, Easton, Gladewater, Kilgore, Lakeport, Liberty City, Longview (County Seat), Warren City, White Oak |
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![]() Your Ad Here Gregg County is a county located in the U.S. state of Texas. In 2000, its population was 111,379. Its county seat is Longview. History It is named for John Gregg, a Confederate general killed in action during the American Civil War. ![]() |