There are a couple different ways to add a new Place to an Event. Adding a new Place can be done while editing or displaying an Event.
While Displaying an Event...
- In the Global Nav: My > My Events
 - Click on the Event to display
 - Scroll down the Place section
 - Click on Add Place button
 - Complete details for Place and click Save
 
While Editing an Event...
- Follow the directions to display an Event, above
 - Click on Edit icon (pencil in upper-right corner of Cover image)
 - Scroll down to Place box
 - Click on Create Place link
 - Complete details for Place and click Save
 - Event will refresh and then scroll back down to Place box
 - Enter name of new Place and click Save for the Event