No, Florence is where we saw the brown dog:

Yes, that is another reference to A Room with a View, of course. The proper English reverend in the movie says he feels sorry for all the tourists in Italy and mentions “that little girl in Punch who says, ‘Florence? Isn’t that were we say the yellow dog?'”

No, proper English reverend, that is where we say the brown dog. Originally, I had nicknamed this thing Romulus and Remus after the mythical founders of Roma, but I decided the bit about the yellow dog had that much more comedic possibility.