A client of mine has intentionally built two websites with identical content; both companies sell the same product, one via an 80 year old local brand, well known. The other division is a national brand, new, and working to expand. The old and new divisions cannot be marketed as a single company for legal reasons. My life would be simple if the rules for distinguishing between nation's could apply, but I only have city X, and The U.S. I understand there is no penalty for duplicate content per se but I need to say to Google, "if searcher is in city X, serve content X. If not, serve content U.S. Both sites have atrocious DA and from what GA tells me, the National content appears to have never been served in a SERP in 3 years. I've been asked to improve visibility for both sites.