World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Aarhus | DKAAR | Denmark |
| Aarle Rixtel | NLARI | Netherlands |
| Aasgard | XZAAD | Installations in International Waters |
| Aasiaat (Egedesminde) | GLJEG | Greenland |
| Abadan | IRABD | Iran, Islamic Republic of |
| Abaja Sadam | EEABJ | Estonia |
| Abangares | CRABG | Costa Rica |
| Abanto | ESABH | Spain |
| Abashiri | JPABA | Japan |
| Abau | PGABW | Papua New Guinea |