The All-Africa Cup is a tournament to determine the top Quidditch team in Africa. It has been won twice by the Gimbi Giant-Slayers (QA8).
Since 1957, Muggle football has a bi-yearly African tournament called the "Africa Cup of Nations" - officially the "Coupe d'Afrique des Nations" (Wikipedia).
Lexicon timeline of Quidditch
Lists on the Lexicon: Quidditch teams of Africa
From the Web
WizardingWorld.com (Pottermore) features:
Harry Potter Wiki: All-Africa Cup
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Tags: awards competitions/competitors international match sports team teams tournaments winners