World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Åhus | SEAHU | Sweden |
| Ahwar | YEAHW | Yemen |
| Aiambak | PGAIA | Papua New Guinea |
| Aidipsou | GRAID | Greece |
| Aigiali Amorgou | GRAIG | Greece |
| Aígion | GRAEN | Greece |
| Aika | JPAKZ | Japan |
| Aikakita | JPAKI | Japan |
| Aikawa, Nagasaki | JPAIW | Japan |
| Aikawa, Niigata | JPAIK | Japan |