World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Greenore | IEGRN | Ireland |
| Greenport | USGP4 | United States of America (the) |
| Greentown | USPA9 | United States of America (the) |
| Greenville | LRGRE | Liberia |
| Greenville | USGLH | United States of America (the) |
| Greenwood, Guernsey | USGNS | United States of America (the) |
| Greetsiel | DEGRE | Germany |
| Greifenstein | ATGFS | Austria |
| Greifswald | DEGRD | Germany |
| Grein | ATGRN | Austria |