You can add a location by clicking on the symbol in the map.

To unlink the location from the event click the symbol.

When you click the symbol, the location database will appear in a popup. You can select a location or a hall from your location database.
Search for specific locations by entering the location name in the searchbar.
When there are halls linked to the location you will see them displayed with the hall icon underneath the location. Selecting the hall directly will select both the location address together with the specific hall for this location.

If the location is not yet in your database the display asks you to add it as a “new location”, click the + button to find your location through Google Maps and add the location to your own database.