Zambia tributaries rise in Angola's central highlands. The edge of the Cuando River floodplain (not its main channel) forms Zambia's southwestern border, and via the Chobe River that river contributes very little water to the Zambezi because most is lost by evaporation. Two of the Zambezi's longest and largest tributaries, the Kafue and the Luangwa, flow mainly in Zambia. Their confluences with the Zambezi are on the border with Zimbabwe at Chirundu and Luangwa town respectively. Before its confluence, the Luangwa River forms part of Zambia's border with Mozambique. From Luangwa town, the Zambezi leaves Zambia and flows into Mozambique, and
Foreign relations of Zambia Foreign relations of Zambia After independence in 1964 the foreign relations of Zambia were mostly focused on supporting liberation movements in other countries in Southern Africa, such as the African National Congress and SWAPO. During the Cold War Zambia was a member of the Non-Aligned Movement. Zambia is a member of 44 international organizations, with the United Nations, World Trade Organization, African Union and Southern African Development Community being among the most notable. Zambia is involved in a border dispute concerning the convergence of the boundaries of Botswana, Namibia, Zambia and Zimbabwe. An additional dispute with the Democratic Republic of