Guayana Esequiba is the name Venezuela gives to a region that it claims in the west of Guyana. Its area is 159,500 square kilometers. For Guyana, this area is divided into the six administrative regions of Barima-Waini, Cuyuni-Mazaruni, Pomeroon-Supenaam, Potaro-Siparuni, Upper Takutu-Upper Essequibo and Essequibo Islands-West Demerara. 