How many countries does the approximately 1,750 km (1,087 mi) long River Limpopo flow through or beside?

Question

The Za Qu River, later the Lancang, and eventually the Mekong flows through or beside six countries before it flows into the sea from Vietnam; where does it rise?

Answer 1

4
The countries are: South Africa; Botswana and Zimbabwe (for which it forms a border from South Africa for 640 km (398 mi) of its course); and Mozambique.