Zambezi Watercourse Commission Mozambique and flowing to the Indian Ocean. The Zambezi basin also includes parts of Malawi and Tanzania. The Zambezi is the fourth largest river in Africa after the Nile, Congo and Niger. The eight Zambezi Basin riparian states that participate in ZAMCOM are Angola, Botswana, Malawi, Mozambique, Namibia, Tanzania, Zambia and Zimbabwe. ZAMCOM operations are in line with the revised SADC Protocol on Shared Watercourses. The SADC Protocol was adopted in 1995 and by SADC member states, including all Zambezi riparian states, and came into force in 1998. Seven of the riparian states signed the ZAMCOM Agreement on 13 July
Zambezi term "Sena River" ("Rio de Sena"), a reference to the Swahili (and later Portuguese) upriver trade station at Sena. In 1752, the Zambezi delta, under the name "Rivers of Sena" ("Rios de Sena") formed a colonial administrative district of Portuguese Mozambique. But common usage of "Zambezi" led eventually to a royal decree in 1858 officially renaming the district "Zambézia". The Zambezi region was known to medieval geographers as the Empire of Monomotapa, and the course of the river, as well as the position of lakes Ngami and Nyasa, were given broadly accurately in early maps. These were probably constructed from