Once a place for the exiled princes and empresses, now a getaway for those tired of the hustle and bustle of the city! Princes' Islands, in Byzantine times, were a punishment place for royal families. hence, it's called princes' island. consisting of 9 islands in the Sea of Marmara, Princes' Islands have become very popular and have been one of the best destinations to break away from the city's rush. prince’s island consists of four larger islands, which are the most popular ones: Büyükada (Big Island), Heybeliada (Saddlebag Island), Burgazada (Fortress Island), and Kınalıada (Henna Island). if you are wondering which one you should start to visit, you should add all of them to your Istanbul travel guide!