Counties included in the cultural definition of Appalachia:
  Always included in Appalachia
  Usually included in Appalachia
  Sometimes included in Appalachia
  Rarely included in Appalachia
  Physically contains the Appalachian Mountains or associated features; not culturally Appalachian
The blue dotted line shows the counties included in the w:Appalachian Regional Commission definition 
Cities (labeled with dots) are only for reference and are not meant to represent all major cities
Source: from the Mapping Appalachia (https://mapappalachia.geography.vt.edu/about-2/) interactive map viewer:
https://www.arcgis.com/home/webmap/viewer.html?webmap=67230740ae2641e9828e48f531cce9a6&amp;extent=-103.5955,26.1117,-60.1995,46.6462
The ten cultural definitions were used:
1896 Berea by William G. Frost and C. Willard Hayes,
1918 Berea Catalog,
1935 USDA Small Region,
1935 USDA Full Region,
1962 Ford Region,
1994 Salstrom,
2002 Core Appalachia from Williams,
1996 Consensus Appalachia from Williams,
1996 Loose Appalachia from Williams 
If a county appears in all the definitions, it is marked "always considered", if it appears in at least 6, it is marked "usually considered", if it appears in at least 2, it is marked "sometimes considered", and if it appears in only 1, it is marked "rarely considered"Edited the map to reflect additional counties that may be regarded as Appalachian, per local identification and connnections. Sources include https://www.scacog.org/ for Anderson County, SC, https://web.archive.org/web/20201019204547/https://www.lcbdohio.org/ for certain counties in Ohio, andhttps://www.wesa.fm/identity-community/2021-12-11/what-is-appalachia-heres-what-people-from-around-the-region-including-pittsburgh-have-to-say for Pittsburgh. Appalachian State University, a major institution in Western North Carolina, has also established
a campus in Catawba County, North Carolina, bringing it closer to the Appalachian region; (https://www.appstate.edu/hickory/) Catawba County is also part of a metropolitan area consisting of mostly Appalachian counties. Several major institutions in the Lynchburg area, such as the electric utility (https://business.lynchburgregion.org/list/member/appalachian-power-645) and Liberty University (https://www.liberty.edu/lucom/student-life/living-in-lynchburg/) also service Lynchburg as part of Appalachia or market Lynchburg as Appalachian. WWWHHHHYYYYYY (talk) 12:45, 18 July 2023 (UTC)
Own work
Leviavery