Which preposition to use with decameron

of Occurrences 9%

If he had not sometimes found occasions for satisfying both, he could not have lived in Paris and London at all, but would have gone back to Constantinople, which is the last refuge of romance in Europe, the last hiding-place of mediaeval adventure, the last city of which a new Decameron of tales could still be told, and might still be true.

Which preposition to use with  decameron