Noun
a former town on the Bosporus (now part of Istanbul); site of the Council of Chalcedon
Source: WordNetThe ferry lines you're most likely to use -- Karakoy to Kadikoy, Eminonu to Kadikoy and Uskudar, Kadikoy to Besiktas and Uskudar to Besiktas, Kabatas to Kadikoy, Besiktas and Princes' Islands. Source: Internet