For a Standard Image Logo: Go to Layout >> Logo Editor within your administration panel. Select the image file that you would like to display. Then go to HTML >> Top of Page HTML Editor and set the "Display Option" to Default as opposed to Custom.
For a Custom HTML Logo: If you would like your logo to appear but be part of this area, then, in HTML >> Top of Page HTML Editor, you will have to add HTML code and select Custom in the "Display Option"