ISMID, a town of Asia Minor, the ancient Nicomedia, capital of Bithynia. It retains no traces of its former grandeur, nor any antiquity, except the remains of a church. It contains 750 families, and is situated on the side of a hill overlooking the Gulf of Nicomedia. Lat. 40^{\circ} 39' N.; Long. 29^{\circ} 34' E.