You will need to add your location details on the "information" section in order to include calendar and google map links.
Add Location DetailsStep 1: Click the “Details” step.
Step 2: Click the “Information” section.
Step 3: Add a "Date/Time." A calendar link will automatically be available to your guests.
*NOTE* Your calendar link will appear on your details page in the "Location" section and will say "Add to Calendar" beneath your address and google map.