Frederick had long been interested in the interplay of Christianity and Islam within the Turkish Empire, and he was gradually to make this a central part of his work. The Haslucks were based in Athens and, over the next four years, had the opportunity to travel widely together in the southwest Balkans.
Frederick's fascination with the intersection of Christianity and Islam within the Ottoman Empire was central to his work. The Haslucks, residing in Athens, embarked on a journey through the southwest Balkans for the next four years.