Yes, Namibia has a lot of German speakers from colonial times. I read the Allegemeine Zeitung almost every day to keep up with mein deutscher Wortschatz. I hear there are some German speakers in Cincinnati too.
The ghost town you are referring to is close to Luderitz but I've never been there myself. It is in a very remote location.
Just shows that there are passionate Reds fans in all corners of the globe.