World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Auchterhouse | GBAHH | United Kingdom |
| Auckengill | GBAKL | United Kingdom |
| Auckland | NZAKL | New Zealand |
| Audierne | FRAUD | France |
| Audorf | DEAUO | Germany |
| Audruicq | FRAIQ | France |
| Aughinish Island | IEAUG | Ireland |
| Augsburg | DEAGB | Germany |
| Augusta | AUAGS | Australia |
| Augusta | USVR9 | United States of America (the) |