Büyükada Eski Rum Yetimhanesi
10.8 km · The Prinkipo Greek Orphanage is a historic 20,000-square-meter wooden building on Büyükada, one of the nine Princes' Islands off the coast of Istanbul, Turkey, in the Sea of Marmara. It is considered the largest wooden building in Europe and second largest in the world. It served as an orphanage from 1903 to 1964.