| Cuyuni-Mazaruni | |
| Native Name: | Region 7 |
| Settlement Type: | Administrative Region |
| Map Alt: | Map of Guyana showing Cuyuni-Mazaruni region |
| Subdivision Type: | Country |
| Subdivision Name: |  Guyana |
| Subdivision Type1: | Regional Capital |
| Subdivision Name1: | Bartica |
| Unit Pref: | Metric |
| Area Total Km2: | 47,213 |
| Population Total: | 20280 |
| Population As Of: | 2012 census |
| Population Density Km2: | auto |
| Footnotes: | [1] |
Cuyuni-Mazaruni (Region 7) is a region of Guyana. Its capital is Bartica, with villages including Issano, Kartabo, Kamarang, and Imbaimadai.
It borders the regions of Barima-Waini, Essequibo Islands-West Demerara and Pomeroon-Supenaam to the north, the region of Upper Demerara-Berbice to the east, the region of Potaro-Siparuni, and borders the Brazilian state of Roraima to the south.
It covers an area of 47,213 km². Before the 1980 administrative reform most of the area belonged to the Mazaruni-Potaro district.[2]
The Government of Guyana has administered three official censuses since the 1980 administrative reforms, in 1980, 1991 and 2002.[3] In 2012, the population of Cuyuni-Mazaruni was recorded at 20,280 people.[4] Official census records for the population of the Cuyuni-Mazaruni Region are as follows:
(including name variants):[5]
Venezuela has renewed its claim to the Essequibo region which is situated west of the Essequibo river.[6] The status of the border controversy is subject to the Geneva Agreement, which was signed by the United Kingdom, Venezuela and British Guiana on February 17, 1966. As of December 2020, the matter is being addressed by the ICJ.[7]