Tierney Plumb is an editor of Eater’s Northeast region, covering D.C., Boston, Philly, and New York. Eater toured Supra, the spacious 4,600-square-foot restaurant which is expected to provide D.C.

On its platter, there’s a bit of everyone who has ever called Georgia home. Nestled in the cusp of Europe and Asia, this little country’s built heritage sits like a palimpsest over its past—an ancient ...