Smith County, Gregg County, Bowie County, Henderson County, Walker County, Harrison County, Van Zandt County, Nacogdoches County, Anderson County, Rusk County, Cherokee County, Wood County, Upshur County, Grimes County, Titus County, San Jacinto County, Cass County, Shelby County, Panola County, Houston County, Freestone County, Leon County, Trinity County, Madison County, Rains County, Camp County, Morris County, Franklin County, and Marion County are the counties generally considered part of East Texas.