Bodrog is a river in eastern Slovakia and north-eastern Hungary. It is a tributary to the river Tisza. The Bodrog is formed by the confluence of the rivers Ondava and Latorica near Zemplin in eastern Slovakia. It crosses the Hungarian border near Sátoraljaújhely, and continues its flow through the Hungarian county Borsod-Abaúj-Zemplén, until it meets the river Tisza in Tokaj. A town along its course is Sárospatak, in Hungary.