So I recently moved about 250 miles away from where I initially setup the Hubitat app. The app still thinks my geofence should be that area even after changing my lat/lon settings on both of my hubs. I can't seem to find a way to change my geofence location in the app. I've read that you can hold the pin and then press the locate button and it will move for you but that's not working.
Have you tried uninstalling and reinstalling the app? I just tested mine and moved the pin from Florida to Tenessee. Logged out and back in, it didn't change back. Uninstalled/reinstalled and the pin moved to my hub's location.