| 1:GY:GUY:GUYANA:CUYUNI/MAZARUNI:VII-1 Cuyuni |
| 2:GY:GUY:GUYANA:CUYUNI/MAZARUNI:VII-2 Mazaruni/L.B.E.Rive |
| 1:GY:GUY:GUYANA:POTARO/SIPARUNI:VIII-1 Ireng/Upper Potaro |
| 2:GY:GUY:GUYANA:POTARO/SIPARUNI:VIII-2 Lower Potaro/Ladsm |
| 1:GY:GUY:GUYANA:BARIMA/WAINI:I-1 Barima |
| 2:GY:GUY:GUYANA:BARIMA/WAINI:I-2 Waini |
| 1:GY:GUY:GUYANA:POMEROON/SUPENAAM:II-1 Moruka/Pomeroon |
| 2:GY:GUY:GUYANA:POMEROON/SUPENAAM:II-2 Somerset And Berks |
| 1:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-1 East Berbice/W.Canje |
| 2:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-2 East Canje/E.C.Berb |
| 3:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-3 Black Bush Polder |
| 4:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-4 Lower Corentyne Rive |
| 5:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-5 Left Bank Upper Canj |
| 6:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-6 Upper Canje/Corentyn |
| 7:GY:GUY:GUYANA:EAST BERBICE/CORENTYNE:VI-7 Upper Corentyne |
| 1:GY:GUY:GUYANA:DEMERARA/MAHAICA:IV-1 Moblissa/La Reconnai |
| 2:GY:GUY:GUYANA:DEMERARA/MAHAICA:IV-2 Buxton/Mahaica |
| 1:GY:GUY:GUYANA:UPPER DEMERARA/BERBICE:X-1 Right Bank Essequibo |
| 2:GY:GUY:GUYANA:UPPER DEMERARA/BERBICE:X-2 Torani/Bulletwood |
| 1:GY:GUY:GUYANA:UPPER TAKUTU/U.ESSEQUIBO:IX-1 Rupununi West |
| 2:GY:GUY:GUYANA:UPPER TAKUTU/U.ESSEQUIBO:IX-2 Rewa(Illiwa)/U.E |
| 1:GY:GUY:GUYANA:MAHAICA/BERBICE:V-1 Mahaica/Mahaicony |
| 2:GY:GUY:GUYANA:MAHAICA/BERBICE:V-2 Mahaicony/Berbice |
| 1:GY:GUY:GUYANA:ESSEQUIBO I./WEST D.:Essequibo I./L.B.E.River |
| 2:GY:GUY:GUYANA:ESSEQUIBO I./WEST D.:III-1 Essequibo Islands |
| 3:GY:GUY:GUYANA:ESSEQUIBO I./WEST D.:III-2 Bonasika/Boerasirie |
| 4:GY:GUY:GUYANA:ESSEQUIBO I./WEST D.:III-3 Lower West Demerara |
