| Place Unit Type | Title | Containing Unit |
|---|
| City or Town | Aaronsburg, PA | Centre County, PA |
| County | Abbeville District, SC | South Carolina |
| City or Town | Abbeville, MS | Lafayette County, MS |
| City or Town | Abbeville, SC | Abbeville District, SC |
| City or Town | Abbottstown, PA | Adams County, PA |
| City or Town | Aberdeen, MS | Monroe County, MS |
| City or Town | Abingdon, VA | Washington County, VA |
| Location or Site | Abington Hills Cemetery, Clarks Summit, PA | Clarks Summit, PA |
| Location or Site | Academy Cemetery, Andover, MA | Andover, MA |
| City or Town | Acapulco, Mexico | Mexico |
| City or Town | Accomac, VA | Accomack County, VA |
| County | Accomack County, VA | Virginia |
| City or Town | Acton, NC | Buncombe County, NC |
| County | Ada County, ID | Idaho |
| County | Adair County, IA | Iowa |
| County | Adair County, KY | Kentucky |
| County | Adair County, MO | Missouri |
| County | Adams County, IA | Iowa |
| County | Adams County, IL | Illinois |
| County | Adams County, IN | Indiana |
| County | Adams County, MS | Mississippi |
| County | Adams County, OH | Ohio |
| County | Adams County, PA | Pennsylvania |
| County | Adams County, WI | Wisconsin |
| City or Town | Adams, MA | Berkshire County, MA |
| City or Town | Adams, NY | Jefferson County, NY |
| County | Addison County, VT | Vermont |
| City or Town | Adrian, MI | Lenawee County, MI |
| Nation | Afghanistan | Asia |
| Continent | Africa | |
