Views appear at the top of the site in a menu and allow you to define view ports to help users of the site zoom in to predefined locations you choose.

:views:
  :default:
    :lat: 20
    :lon: 0
    :zoom: 2
    :description: World
  :europe:
    :lat: 48.195387
    :lon: 10.634766
    :zoom: 6
    :description: Europe

The easiest way to get the coordinates and zoom value is to browse to Google Maps to the location and view you like and just grab these values from the URL bar.

The :default: view is what will be shown if someone browse to your main landing url.