Borders of Suriname in the treaty was the result of an arbitration process that was headed by King Victor Emmanuel III of Italy. The treaty was signed in Rio de Janeiro on May 5, 1906. Brazil and the Netherlands both ratified the treaty in 1908. Borders of Suriname The borders of Suriname are subject to longstanding disputes between Suriname and its neighbouring countries Guyana and France (via French Guiana). Only the border with Brazil has been uncontroversial since 1906. In 1860, the question was posed from the French side, which of the two tributary rivers of the Marowijne River (also called Maroni and
British Guiana 1899 arbitration award settling the British Guiana—Venezuela border made reference to the border with Suriname as continuing to the source of the Courantyne River, which it named as the Kutari River. The Netherlands raised a diplomatic protest, claiming that the New River, and not the Kutari, was to be regarded as the source of the Courantyne and the boundary. The British government in 1900 replied that the issue was already settled by the longstanding acceptance of the Kutari as the boundary. In 1962, the Kingdom of the Netherlands, on behalf of Suriname, which had become a constituent country of the