Iványi (river)
The Iványi originates in the Mátra range at nearly 470 metres above sea level, south of Mátraterenye, Nógrád County, Hungary. It is a left tributary of the Zagyva. The stream flows northward and reaches the Zagyva north of Mátramindszent.
The Tószeri flows into it not far from Mátraterenye.
