World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Assinie-Mafia | CIASS | Côte d'Ivoire |
| Assos | GRSOS | Greece |
| Astakós | GRAST | Greece |
| Asten | ATATN | Austria |
| Astene | BEAST | Belgium |
| Astorga | PHAST | Philippines (the) |
| Astoria | USAST | United States of America (the) |
| Astrakhan | RUASF | Russian Federation (the) |
| Ástros | GRARS | Greece |
| Astypálaia | GRJTY | Greece |