Upper Demerara-Berbice
The region has an area of 17,040 km². As of the 2012 census, 39,452 people lived there. It borders the regions of Essequibo Islands-West Demerara, Demerara-Mahaica and Mahaica-Berbice to the north, the region of East Berbice-Corentyne to the east, and the regions of Potaro-Siparuni and Cuyuni-Mazaruni to the west.