| Country | Greece (GR) |
| UN/LOCODE | GMA |
| Name | Agia Marina Grammatikou Attikis |
| Name Without Diacritics | Agia Marina Grammatikou Attikis |
| Function Code | 1------- |
| Function | Port |
| Status Code | AA (Approved By National Government Agency) |
| Date | 1307 |
| Location (UN Format) | 3811N 02404E |