On which or the following African riven is the Kariba Dam one of the world's largest hydel power systems located?

On the Zambezi river is the Kariba Dam one of the world's largest hydel power systems is located. The dam stands 128 metres (420 ft) tall and 579 metres (1,900 ft) long. The dam forms Lake Kariba, which extends for 280 kilometres (170 mi) and holds 185 cubic kilometres (150,000,000 acre⋅ft) of water.