Shelby is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

located in

Madison County, Virginia Madison County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population was 13,837. Its county seat is Madison. History Madison County was established in December 1792, created from Culpeper County. The c ...

References

Board of Geographic Names reference
Unincorporated communities in Virginia Unincorporated communities in Madison County, Virginia {{MadisonCountyVA-geo-stub