<prompt> Translate the following text to EnglishMji mkuu wa Istanbul, wenye wakazi zaidi ya milioni 10, umegawanywa katika sehemu mbili na mfereji mwembamba unaojulikana kama Bosphorus.  <response>: M odern Istanbul, a sprawling metropolis of more than 10 million inhabitants, is split in two by the narrow, sinuous strait known as the Bosphorus. 