The Princes’ Islands are a cluster of 9 islands southeast of Istanbul in the Sea of Marmara. Mainly car-free, the islands are known for their horse-drawn carriages (phaetons). Buyukada is the largest island of 9 islands. At the highest point of Büyükada, the 6th-century Hagia Yorgi Church has panoramic views. Nearby are the pine forests of Dil Burnu National Park. The Museum of the Princes’ Islands has exhibits on the islands’ culturel diversity and history.