Collection place
- Delaware County, Ohio1
- Delft, Netherlands6
- Delhi State, India156
- Delium (ancient place), Central Greece2
- Delphi, Central Greece38
- Delta Amacuro state, Venezuela10
- Delta State, Nigeria39
- Delta, Shasta County, California7
- Dembi Dollo, Oromia Region, Ethiopia15
- Deming, Luna County, New Mexico1
- Democratic Republic of the Congo617
- Denmark140
- Denmark, Great Southern Region, Western Australia27
- Dennebito Flat, Coconino County, Arizona2
- Denver County, Colorado300
- Denver Mint, Denver, Denver County298
- Denver Mountain Parks, Colorado3
- Denver, Denver County, Colorado300
- Department of Amazonas, Peru67
- Department of Cordoba, Colombia33