Kadıköy: 2,700 Years Before Istanbul
Before there was Istanbul — before there was even Byzantium — there was Chalcedon. The neighborhood where you're drinking your çay has been continuously inhabited since around 685 BC.
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Chalcedon, "the land of the blind"
Greek settlers from Megara founded Chalcedon here around 685 BC — seventeen years before Byzantium was established across the water. The famous story, told by Herodotus, is that the later founders of Byzantium called the Chalcedonians "blind": with the perfect natural harbor of the Golden Horn in plain sight, they had chosen the flatter, more exposed shore instead.
Blind or not, Chalcedon thrived as a fishing and trading town. In 451 AD it entered world history when the Fourth Ecumenical Council — the Council of Chalcedon — met here, a gathering that still shapes Christian doctrine today.
The village of the judge
After the Ottoman conquest of 1453, the town's revenues were granted to Istanbul's first chief judge (kadı) — and the district took the name it still carries: Kadıköy, "the village of the judge". For centuries it remained exactly that, a modest market village supplying the imperial capital with vegetables, fruit and fish.
Steam ferries and the Belle Époque
Everything changed in the mid-1800s when regular steam ferries connected Kadıköy to the European shore. Suddenly the village became a fashionable suburb. Levantine and Greek families built the elegant apartment rows of Moda; the Haydarpaşa railway terminus (1908) made Kadıköy the gateway to Anatolia; and in 1914 the Süreyya cinema-opera palace brought Parisian glamour to Bahariye Avenue.
From suburb to the coolest district in Istanbul
Twenty-first-century Kadıköy is the Asian side's cultural capital: the bar streets around Kadife Sokak, the mural-covered walls of Yeldeğirmeni, third-wave coffee in Moda, and one of the best food markets in Türkiye in the Çarşı. It's also the home of Fenerbahçe — and on derby days, the whole district knows it.
The best part for travelers: it's all walkable, and the ferry ride here is the cheapest Bosphorus cruise in the city.