Individual venues, not categories: that is what the list for Amern, Germany, is about. Amern is a locality in the Viersen district of North Rhine-Westphalia. Venues on record include sports centres, among other places to exercise. Open a profile for each venue's location and available facts. The Places overview groups venues by type, and the Amern overview adds background on the city.
Compare the listed places in Amern through their profiles
Here are the sports and activity venues listed for Amern, Germany, with a profile for each one. Open a profile for the address and whatever details are available for that place.
The kind of place on record for Amern, with its venues
The Places overview for Amern shows how the listed places are grouped and links on to each venue's profile.
Elsewhere in Germany, beyond Amern
If Amern does not have what you are looking for, other cities in Germany have their own listed gyms and exercise facilities. The full city directory for Germany is one step away.