Social events require advance registration and some have fees
This would be your first event
If you don't want the map (such as when all social events are at the conference site), change the url to something logical such as /conference/socials2019 and just make the social events as a custom page
If you want the map, change this to be your first event.
Add additional events using the green plus sign
GPS location:  Latitude: 0.00000 Longitude: 0.00000