Eastern Slovak Lowland
and part of the lowland extends into the Prešov Region. TheEastern Slovak Lowland is the second largest lowland in Slovakia with an area of approximately 2,400 km2.The southern edge forms the border with Hungary, to the East it borders with the Ukraine, in the West it passes into the Slanec Hills (Slanské vrchy) and in the North it borders with the Nízke Beskydy mountains (subwhole Beskydské predhorie) and Vihorlat Mountains
((in Slovak Vihorlatské vrchy).Eastern Slovak Lowland is an extensive flat area, where the altitude is around 150-200 metres. Only sporadically there rises hills over the plane. There is lowest point in Slovakia (lowest point above sea level) 94.3 m. a.s.l. near the municipality Klin nad Bodrogom in mouth of the Bodrog river from the Slovak side (the Bodrog River crosses the border with Hungary near the villages of Klin nad Bodrogom and Borša).
From a geomorphological point of view Eastern Slovak Lowland as a geomorphological area is part of subprovince Great Danubian Plain (in Slovak Veľká dunajská kotlina) : Alpine-Himalayan system -> Pannonian Basin -> East Pannonian Basin -> Great Danubian Plain (in Slovak Veľká dunajská kotlina). It is divided into geomorphological wholes Eastern Slovak Flat (in Slovak Východoslovenská rovina) and Eastern Slovak Hills (in Slovak Východoslovenská pahorkatina).