Eastern Slovak Lowland (in Slovak Východoslovenská nížina) is situated on the South-Eastern Slovakia (south part of East Slovakia), in the territory of the Košice Region 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.