1 - Go to the Admin menu, hover over 'Geography', and select 'City'.
2 - Here you will see a list of all the Cities currently stored on system. Click 'Add City'.
3 - Enter the Name of the City and click the blue search button to search for a Region.
4 - Once prompted, select one of the Regions to associate the City with.
5 - Click 'Save City'.
6 - If you go back to the list of Cities, you will now see that the City you have just saved has been added to the list.