Borders of Suriname 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 Marowini) was the headwater, and thus the border. A joint French-Dutch commission was appointed to review the issue. The Dutch side of the commission consisted of J.H. Baron van Heerdt tot Eversberg, J.F.A. Cateau van Rosevelt and August Kappler. Luits Vidal, Ronmy,
Foreign relations of Suriname World Bank, and the International Monetary Fund. Suriname became a member of the Islamic Development Bank in 1998, under the Wijdenbosch government. In 2003, Suriname joined the Nederlandse Taalunie (Dutch Language union). Bilateral agreements with several countries of the region, covering diverse areas of cooperation, have underscored the government's interest in strengthening regional ties. The return to Suriname from French Guiana of about 8,000 refugees of the 1986–91 civil war between the military and domestic insurgents has improved relations with French authorities. Longstanding border disputes with Guyana and French Guiana remain unresolved. Negotiations with the Government of Guyana brokered by