Princes' Islands
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The Princes' Islands, officially just Adalar ; alternatively the Princes' Archipelago; is an archipelago off the coast of Istanbul, Turkey, in the Sea of Marmara. The islands constitute the municipality and district of Adalar within Istanbul Province. With a total land area of 11 km2 (4.2 sq mi), it is the fifth smallest district in Istanbul, and with a permanent population of 16,690 (2022), it is by far the least populous district in Istanbul.
Statue of Atatürk in Büyükada, the largest of the Princes' Islands
Aerial view of the four main islands from left to right (Büyükada, the largest of the Princes' Islands in the Sea of Marmara, Heybeliada, Burgazada, and Kınalıada).
Prinkipo Greek Orthodox Orphanage in Büyükada, the largest wooden building in Europe and second largest in the world.
The historic Splendid Palace Hotel (1908) in Büyükada.
Sea of Marmara
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The Sea of Marmara, also known as the Sea of Marmora or the Marmara Sea, is a small inland sea located entirely within the borders of Turkey. It connects the Black Sea to the Aegean Sea via the Bosporus and Dardanelles straits, separating Turkey’s European and Asian sides. It has an area of 11,350 km2 (4,380 sq mi), and its dimensions are 280 km × 80 km. Its greatest depth is 1,370 m (4,490 ft).
Satellite image of the Sea of Marmara
Algal bloom on the Sea of Marmara
Satellite image showing metropolitan İzmit along northern and eastern shores
The Bosporus with Istanbul in the background