Is it possible to add a location and display them on a map?

[tobiaseigen]

Not sure what you mean about adding a location to dates… do you mean event topics? If so, then you could use the locations plugin to geocode topics and users, and display them on a map.

Locations Plugin

The Locations Plugin allows you to associate geocoded locations with topics, and list topics with locations on a map. Additionally it allows users to record their position (voluntarily) and this can show up on a map of Users in the Users directory. Get the code Read the documentation Report a bug Documentation Links Administration Settings Locations in Topics Locations in Categories