Δαφνη Ευτυχια Αρθουρος

You're answering 'nope', and yet I've only asked on question, which was "Isn't the city actually called on maps 'New Orleans', as in, two distinct words" (and it was rhetorical, but that's neither here nor there).

The vernacular of a region is not the only "correct: pronunciation of that regions place-names. As I said in a comment above, were that true, pretty much this entire portion of Pennsylvania would be doomed to learn Welsh in retribution for all the mutilating they've done via town names.