| Name | Rio de la Plata |
| Province ID | 778 |
| Continent | South America |
| Super region | Andes |
| Region | La Plata |
| Area | Buenos Aires |
| Development | 9 |
| Base Tax | 3 |
| Base Production | 3 |
| Base Manpower | 3 |
| Trade node | Bordeaux |
| Owner | Charrua |
| Culture | Charruan |
| Culture Group | Je |
Here are the IDs of provinces that in on the same region as Rio de la Plata:
| Province | Province ID |
|---|---|
| Aysen | 2874 |
| Banda Oriental | 773 |
| Candelaria | 780 |
| Carmen | 786 |
| Chanar | 2867 |
| Chepes | 2844 |
| Chiloe | 2873 |
| Chiquiyami | 2872 |
| Chubut | 2875 |
| Colonia | 2851 |
| Coquimbo | 2862 |
| Corrientes | 777 |
| Falklands | 1095 |
| Florida Blanca | 2869 |
| Huillimapu | 784 |
| Itapúa | 2859 |
| Kawesqar | 783 |
| La Rioja | 2843 |
| Mendoza | 2877 |
| Misiones | 2855 |
| Montevideo | 2850 |
| Olavarria | 2866 |
| Pehuenmapu | 785 |
| Picunmapu | 787 |
| Poya | 2871 |
| Puelches | 2865 |
| Puerto Deseado | 781 |
| Querandi | 2860 |
| Quisquisacate | 2846 |
| Rio de la Plata | 778 |
| Rio Negro | 2863 |
| Rosario | 2849 |
| Salto | 2852 |
| San Antonio | 2868 |
| San Juan | 2845 |
| San Luis | 2847 |
| Santa Fe | 2848 |
| Santiago | 2858 |
| Sauce | 2861 |
| South Georgia | 2025 |
| Tandil | 779 |
| Tehuelmapu | 2870 |
| Teush | 2876 |
| Tierra del Fuego | 782 |
| Uruguay | 772 |
| Yapeyú | 2853 |
Here are IDs of provinces that are in the same area as Rio de la Plata:
| Province | Province ID |
|---|---|
| Quisquisacate | 2846 |
| Rio de la Plata | 778 |
| Rosario | 2849 |
| Santa Fe | 2848 |