Were Anadoluhisarı and Gül Mosque in Istanbul both constructed by the Ottomans?
Anadoluhisarı Anadoluhisarı (English: Anatolian Castle ), which is historically known as Güzelce Hisar (meaning "the Proper Castle") is a fortress located in Istanbul, Turkey on the Anatolian (Asian) side of the Bosporus, which also gives its name to the quarter around it in the Beykoz district. It was built between 1393 and 1394 by the Ottoman sultan Bayezid I "The Thunderbolt" as part of his preparations for the Second Ottoman Siege of Constantinople, which took place in 1395. Sultan Bayezid built it on the ruins of a temple of Uranus Originally named Güzelcehisar (Turkish: "Beauteous Castle" )
Beylerbeyi Palace The Beylerbeyi Palace (Turkish: "Beylerbeyi Sarayı" ), Beylerbeyi meaning "Lord of Lords", is located in the Beylerbeyi neighbourhood of Üsküdar district in Istanbul, Turkey at the Asian side of the Bosphorus. An Imperial Ottoman summer residence built in the 1860s, it is now situated immediately north of the 1973 Bosphorus Bridge.