For Nieheim, Germany, venues are recorded one entry at a time. Nieheim is a historic small town in the rolling Weser Uplands of eastern Westphalia. Among the entries are swimming pools. Each entry has a profile with an address and the details on record. To group venues by type of place, the Places overview does that; the Nieheim overview offers background.
Everything we know about a place is on its profile
From swimming pools to other places to be active, the listings for Nieheim are in one place. Open a profile for the address and whatever details are available for that place.
Start with the kind of place, then the venue
The Places overview for Nieheim shows how the listed places are grouped and links on to each venue's profile.
Other Germany cities, excluding Nieheim
If Nieheim does not have what you are looking for, other cities in Germany have their own listed gyms and exercise facilities. Every city opens its own collection of venues.