Zambezi River Authority It flows south and forms part of the border between Zambia and Namibia. After picking up the waters of the Chobe River at the quadripoint where Zambia, Namibia, Botswana and Zimbabwe meet, the river flows east along the border between Zambia and Zimbabwe, powering the shared Kariba Dam hydroelectric station, before entering 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. Functions of the ZRA, as laid out in the acts that created the body, include: The
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