Tczew [tt͡ʂɛf] (Kashubian: Dërszewò; German: About this sound Dirschau ) is a town on the Vistula River in Eastern Pomerania, Kociewie, northern Poland with 60,279 inhabitants (June 2009). It is an important railway junction with a classification yard dating to the Prussian Eastern Railway (German: Preußische Ostbahn).