Please always provide a link to your site so we ca see what is in place and what options you have.
In the mean time, have a look at the Insertion are page of the demo site below
Insertion Areas
If you have Plus you can use the Post header or Container Top insertion area, or the header widget area, using the Header Widget Area position > After lower menu option.
If you dont, we may be able to offer alternative choices after we see the site