Princess Charlene of Monaco has been in South Africa for some time, having been unable to return to Monaco due to health issues, as reported in the following article:

https://honey.nine.com.au/royals/princess-charlene-on-infection-and-surgery-being-separated-from-prince-albert-monaco-its-been-a-trying-time/81ecc495-b753-4df1-a8a2-0481fb4b326e