Istanbul, the capital of the Ottoman Empire, has been the capital of many states in a wide area extending from Europe to the Western Mediterranean, from Central Asia to the Indian Ocean, from America to Russia, from the Far East to Central Africa since the classical age. It hosted high-class guests and diplomatic representatives. By making use of many sources about the invitations given during this hosting, the guests arriving, the menus prepared for the guests, the diplomatic steps and hospitality taken against these guests, this book is about Yıldız Technical University and Sultan II. It has been published today with the contributions of Abdulhamid Application and Research Center and is presented to the reader as a unique resource for those who are interested.