This is the 3896th most frequent German word.
südafrikas
"Südafrikas" means "South Africa's" in English, indicating possession.
In this sentence, 'Südafrikas' is used as a genitive form to indicate possession of 'landschaft' (landscape).
Die wunderschöne Landschaft Südafrikas zieht jedes Jahr zahlreiche Touristen an.
The beautiful landscape of South Africa attracts many tourists every year.
Here, 'Südafrikas' is again in the genitive case, denoting 'Wirtschaft' (economy) as being that of South Africa.
Die Wirtschaft Südafrikas basiert auf Bergbau und Landwirtschaft.
The economy of South Africa is based on mining and agriculture.
Similarly, 'Südafrikas' in this statement is possessive in nature, relating 'Kultur' (culture) to South Africa.