John Burgess, A diplomat is one who is paid to dine for his country; I've done so globally. Answered Apr 11, 2015 · Author has 12.9k answers and 41.4m answer views. I'd vote for the Wiener Rathauskeller. It's located in the cellars beneath City Hall and has been in business since the late 19th C. The Tafelspitz is superb! read more