Surinam (Dutch colony) July 1667, and again confirmed in the Treaty of Westminster of 1674. After the other Dutch colonies in the Guianas, i.e., Berbice, Essequibo, Demerara, and Pomeroon, were lost to the British in 1814, the remaining colony of Surinam was often referred to as Dutch Guiana, especially after 1831, when the British merged Berbice, Essequibo, and Demerara into British Guiana. As the term Dutch Guiana was used in the 17th and 18th to refer to all Dutch colonies in the Guianas, this use of the term can be confusing (see below). The colonization of Surinam is marked by slavery. Plantations relied
French Guiana of its 281,612 inhabitants in 2018 lived in the metropolitan area of Cayenne, its capital. Since December 2015 both the region and the department have been ruled by a single assembly within the framework of a new territorial collectivity, the French Guiana Territorial Collectivity (). This assembly, the French Guiana Assembly (), has replaced the former regional council and departmental council, which were both disbanded. The French Guiana Assembly is in charge of regional and departmental government. Its president is Rodolphe Alexandre. Before European contact, the territory was originally inhabited by Native Americans, most speaking the Arawak language, of the