Chernyshevskoye (Russian: Черныше́вское; German: Eydtkuhnen, from 1938: Eydtkau; Lithuanian: Eitkūnai; Polish: Ejtkuny) is a settlement in Nesterovsky District in the eastern part of Kaliningrad Oblast, Russia, close to the border with Lithuania. Between Chernyshevskoye and Lithuanian Kybartai is an important 24-hour border crossing point on the A229 principal road (part of the European route E28) and the railway route connecting Kaliningrad with Moscow through Lithuania and Belarus.