Nicomedia (Greek: Νικομήδεια): capital of ancient Bithynia, modern İzmit.
History
Nicomedia, its lake and the Sangarius River
712/711 BCE: founded as a Greek colony called Astacus ("lobster")
Big lake in the hinterland, connected to the river Sangarius ("famous for its large quantities of fishnote[Livy, History of Rome since its Foundation 38.18.8.]) and the interior