Guyana Barima-Waini Region Cuyuni-Mazaruni Region Demerara-Mahaica Region East Berbice-Corentyne Region Essequibo Islands-West Demerara Region Mahaica-Berbice Region Pomeroon-Supenaam Region Potaro-Siparuni Region Upper Demerara-Berbice Region Upper Takutu-Upper Essequibo Region