| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Auburn | city | Maryland | United States | 38.68 | -77.02 | 147 | |
| Augusta | city | Maryland | United States | 39.37 | -77.67 | 830 | |
| Augusta Acres | city | Maryland | United States | 39.13 | -76.62 | 98 | |
| Aurora Hills | city | Maryland | United States | 39.09 | -76.65 | 98 | |
| Auth Village | city | Maryland | United States | 38.82 | -76.90 | 249 | |
| Autumn Chase at Riva Trace | city | Maryland | United States | 38.96 | -76.56 | 49 | |
| Autumn Estates | city | Maryland | United States | 38.70 | -76.56 | 49 | |
| Autumn Grove | city | Maryland | United States | 38.36 | -75.54 | 29 | |
| Autumn Hill | city | Maryland | United States | 39.26 | -76.81 | 396 | |
| Autumn Ridge | city | Maryland | United States | 39.60 | -76.99 | 830 | |
| Autumn Wind | city | Maryland | United States | 39.46 | -76.73 | 830 | |
| Autumn Woods | city | Maryland | United States | 39.14 | -76.82 | 200 |