Article: Many names for pubs that appear nonsensical may have come from corruptions of old slogans or phrases, such as "The Bag o'Nails" (Bacchanals), "The Goat and Compasses" (God Encompasseth Us), "The Cat and the Fiddle" (Chaton Fidèle: Faithful Kitten) and "The Bull and Bush", which purportedly celebrates the victory of Henry VIII at "Boulogne Bouche" or Boulogne-sur-Mer Harbour.

Now answer this question: What location does Boulogne Bouche refer to?
Boulogne-sur-Mer Harbour