I dont have a map,but I have a list of area & districts by county. It maybe out dated it is from 2000.
Area1
Dist1 Bowie,Cass
Dist2 Camp,Morris,Franklin,Titus,Upshur,Wood
Dist3 Harrison,Marion,Greegg
Area2
Dist4 Anderson,Cherokee,Henderson,Smith,Van Zandt
Dist5 Gregg,Rusk,Panola
Area3
Dist6 Leon,Madison,Houston,Trinity
Dist7 Angelina,Nacogdoches,Cherokee
Dist8 San Augustine,Sabine,Shelby
Area 4
Dist9 Polk,Tyler
Dist10 Jasper,Newton,Orange
Dist11 Chambers,Hardin,Jefferson,Liberty
Area5
Dist12 Harris,Grimes,Montgomery,San Jacinto,Walker,Waller
Dist13 Brazos,Burleson,Austin,Washington
Dist 14 Bastrop,Caldwell,Colorado,Fayette,Lea