• Anderson
• Bedford
• Benton
• Bledsoe
• Blount
• Bradley
• Campbell
• Cannon
• Carroll
• Carter
• Cheatham
• Chester
• Claiborne
• Clay
• Cocke
• Coffee
• Crockett
• Cumberland
• Davidson
• Decatur
• DeKalb
• Dickson
• Dyer
• Fayette
• Fentress
• Franklin
• Gibson
• Giles
• Grainger
• Greene
• Grundy
• Hamblen
• Hamilton
• Hancock
• Hardeman
• Hardin
• Hawkins
• Haywood
• Henderson
• Henry
• Hickman
• Houston
• Humphreys
• Jackson
• Jefferson
• Johnson
• Knox
• Lake
• Lauderdale
• Lawrence
• Lewis
• Lincoln
• Loudon
• Macon
• Madison
• Marion
• Marshall
• Maury
• McMinn
• McNairy
• Meigs
• Monroe
• Montgomery
• Moore
• Morgan
• Obion
• Overton
• Perry
• Pickett
• Polk
• Putnam
• Rhea
• Roane
• Robertson
• Rutherford
• Scott
• Sequatchie
• Sevier
• Shelby
• Smith
• Stewart
• Sullivan
• Sumner
• Tipton
• Trousdale
• Unicoi
• Union
• Van Buren
• Warren
• Washington
• Wayne
• Weakley
• White
• Williamson
• Wilson

These counties span a diverse range of landscapes, from the Appalachian Mountains in the east to the river plains of the Mississippi in the west, and include bustling metropolitan areas as well as rural regions.