Region 4, the Demerara-Mahaica Region Places Across Guyana Region 4, the Demerara-Mahaica Region guyanagy December 8, 2022 Region 4, also called the Demerara-Mahaica Region, is a region of Guyana bordering the Atlantic Ocean to... Read More Read more about Region 4, the Demerara-Mahaica Region