Körös-ér

The Körös-ér (Hungarian, also Kőrös-patak), Kireš or Kereš (Serbian), is a river in southern Hungary and northern Serbia, a 90-kilometre-long (56 mi) right tributary to the Tisa river. It flows entirely within the Bačka border region: 37 km (23 mi) in Hungary, 15 km (9.3 mi) as a border river and 29 km (18 mi) in Serbia (roughly, as different authors give different data).

Flows through: Serbia.

River data from Wikidata (CC0); lengths normalised to a common unit.