Moving a Location
To move a location (sublocation) to within another location, select 'Locations' on the navigation bar.
Find the location which you would like to move in the 'Site Structure' sidebar on the LHS, and select it.
Select 'Move', just below the navigation bar.
Next, select the location in which you would like to move the selected location to. Click 'Done' when finished.
Watch the video below for a short tutorial on moving Locations.