The group of princes or red islands is located in the Marmara Sea and is part of the province of Istanbul. Where islands are located off the coast of this province, the size of these nine islands varies. Its total area is 15.85 square kilometers. Five of these islands are only residential and have a population of over 80,000 in the summer. And nearly 15 thousand in the winter, Where many of Istanbul's rich spend their holidays in the emirate of the emirate, far from the noise of the city. It is only through the horse, cart and bicycle that it is possible to move inside the islands.
The islands were named after the "princesses" until the Byzantine Empire, when these islands were an exile for princes and princesses.