During the Ottoman Empire; Before the conquest of Istanbul; As a road connecting the Byzantine Empire to Anatolia; It was used by trade caravans and armies. After the Ottomans captured Istanbul; The preparations for the expedition to Anatolia were gathered and prepared in Haydarpaşa Meadow, which no longer exists today but has a station named after him. Hereby; It was also very important for the Ottoman Army.

Kadıköy dates back to many years from old Istanbul's use. The ones to be built in Fikirtepe between 1942 and 1952 were human skeletons dating back to 3000 BC. In addition, fish, dog, sheep, goat bones were found. Among the tools found, there are also artifacts made of stone, bone, pottery, stone spindle whorls, bronze artifacts, pearls, and turquoise handcrafted artifacts. Chalcedon mold in Moda Cape Phoenician oil lamps, vases, ox statue, a bearded male head made of baking clay, the inscription of Chalcedonian inscription on bronze.

The islands have been referred to in various sources and with various variable names throughout history. "Princes Islands" or "Princes Islands". This name is used as a place of exile for nobles, princes, patriarchs and even emperors during the Byzantine period; According to some sources, Byzantine Emperor II. It was given to Justinus in 567 because it was a palace on Büyükada and was in use. Ancient alara was called Dimonisi or Demonisi (Djinn Islands), Aristotle claimed that "Demonisi" was his name from the copper mine for the first time in Heybeliada and that the islands were understood because of him, and he called it Halkedon (Kadıköy) Islands. Greek philosopher Artemidoros, Pitiusa (Çamlı), Roman naturalist Plinius said Propontidas (Marmara Islands) while Byzantines called Papadonisia (Priest Islands, Monk Islands) because of the monks living here; originality Hammer, Les Iles des Saint (Evliya Islands), Thomas Allom Demonesca, Turks named the Red Islands because of the color of their lands.